肯定句变否定句练习

肯定句变否定句练习

一将下列句子改为否定句，每空一词。

1．We do morning exercises every day．

We _______ _______ morning exercises every day．

2．All of us can swim．

_______ _______ _______ can swim．

3．There is something wrong with my bike．

There _______ _______ wrong with my bike．

4．You can stay here before I come back．

You _______ _______ here before I come back．

5．Read the text after me．

_______ _______ the text after me．

6．Li Lei needs some help with his English．

Li Lei _______ _______ _______ help with his English．

7．I think it is going to rain tomorrow．

I _______ _______ _______ _______ going to rain tomorrow．8．The bike has already been mended．

The bike _______ _______ mended _______ ．

二把下列句子变成否定句。

1. I am Tom. ______________________________

2. He is nine. ______________________________

3. They are pupils. ______________________________

4. I can fly a kite. ______________________________

5. He can make a toy. _____________________________

6. You must go home now._____________________________

7. I like Jinan.

8. He likes swimming.

9. He has many books.

10. He has some books.

11. There is a pen on the desk.

12. There is some water in the glass.

_________________________________________

13. You have got some books.

__________________________________________

14. You have some books.

三变肯定句为否定句

1. I like to watch TV.

.

2. Xiao Fang and I go to the library every Saturday.

.

3. Tim swims very well.

.

4. Mr. Smith has many books about the cars.

.

5. I want to play with my friends.

.

6. We feel cold today.

.

7. Bob reads English everyday.

.

8. We do our homework at school.

.

9. Mr. White has two houses.

10. I met her at the station.

11. He was reading and I was writing.

12. He has a car.

13. He had some dictionaries.

14. You have to go with him.

15. He had some cake for breakfast.

16. We had a good holiday.

17. I can finish the work in an hour.

18. You must go with us.

19. We should help them.

20. He works in a bank.

四把下列肯定句变成否定句。

1. He is always late for school.

2. He is still a worker.

3. Both Jim and Tom like reading.

4. All of the students are from the countryside.

5. He spent little time playing everyday.

6. Many people know the news.

7. He knows everything about your school.

8. I know both of them.

9. Tom feels happy today.

10. The boy looks like his father.

11. I can see some mountains far away.

12. He has already had breakfast.

13. We can swim too.

14. Jim likes meat a little.

15. I think he is right .

肯定句变否定句 (2)

肯定句变否定句 1.I am a student. → I am not a student. 2.You are sad. → You are not sad. 3. She is a good girl. → She is not a good girl. 4.Yesterday was Monday. → Yesterday was not Monday. 5.They were busy yesterday. → They were not busy yesterday 1.如果句中有be动词（ is, am , are, was, were),就在be动词后面直接加not。 be 动词和not的缩写形式： is not = isn't are not = aren't was not = wasn't were not = weren't 注意：am not 不能缩写。 1. He is a boy. He is not a boy. 2. I am your friend. I am not your friend. 3. My sister is a beautiful girl.

My sister is not a beautiful girl. 4.There are some books on the bookshelf. There are not any books on the bookshelf. 5. I was at home yesterday. I was not at home yesterday. 6. They were in Beijing ten years ago. They were not in Beijing ten years ago. 注意：句中有some,一般要改为any. 1.I can swim. → I can not swim. 2.You will go to the park. → You will not go to the park. 3. Peter need go home now. Peter need not go home now 4. You should open your book. You should not open your book. 5. He must finish his homework. He must not finish his homework. 2.如果句中有（can ,may, must, should ,need, will等），就在这些单词后面直接加not。 can not = can't must not = mustn't should not = shouldn't need not = needn't will not = won't

陈述句变双重否定句练习

陈述句变双重否定句练习 双重否定句 双重否定句是使用两个否定副词来表达肯定含义的句子。例如"不……不"、"没有……不"、"不" 等。 双重否定句的肯定语气比一般肯定句强烈或委婉。例如： 1、他不敢不去。（强烈） 2、我不得不告诉你事情的原委。 （强烈）3、没有谁不惧怕他的威严。（强烈） 4、你若是想在这个世界留下值得让人怀念的事迹，那 就非得有毅力不可。（强烈） 5、他不会不同情我的。（委婉） 6、没有什么不可以。（委婉） 书面语中还经常使用" 无不、无非、不无、必不" 等双重否定词语来表示肯定。例如： 1、他的话不无道理。 2、在场的观众无不为他的精彩表演所打动。 3、他无非是想多捞点退休金罢了。 4、我虽然年轻，但未必不是你的对手。 双重否定句也就是一种语义大于肯定句的语句 1 、我对老师们的勇敢，不得不从心底里感到无限的敬佩．（改为双重否定句） 可以改为： 1 我不能不对老师们的勇敢，从心底里感到无限的敬佩。

2 我对老师们的勇敢，不能不从心底里感到无限的敬佩。 练习 1、香港回归伟大的祖国，我们无不感到无比自豪。 2、您为我们付出了这样高的代价，非足以表达您对中国人民的友谊不可。 3、每个小孩子都喜欢小动物。 4、我对同学们的勇敢精神，从心底里感到无限的敬佩。 5、信赖，往往创造出美好的世界。 6、这是伟大的奇观。 7、你应该知道这件事。 8、我们建成了希望小学。

9、詹天佑是我国杰出的爱国工程师。 10、星期天，我们必须去看排球赛。 11、报纸的诱惑力如此之大，每日都要读它。 12、他这样做虽然过分了点，但还是有道理的。 13、问题还没有弄清，但已经有了一点儿头绪。 14、写得不怎么样，但还是有希望的。 TOP 肯定句、否定句、双重否定句练习题 一、把肯定句改为否定句，把否定句改为肯定句。 1、街上的人真多。 2、说起地道战，谁也不能不承认是个奇迹。 3、谁也不能否认地球不是绕太阳运行的。 4、他是一个听话的孩子。 5、我只有用劳动来解除饥饿的威胁。

4.把肯定句改为否定句练习题解析

一、把肯定句改为否定句,把否定句改为肯定句。 1、街上的人真多。 2、说起地道战,谁也不能不承认是个奇迹。 3、谁也不能否认地球不是绕太阳运行的。 4、他是一个听话的孩子。 5、我只有用劳动来解除饥饿的威胁。 6、张民对学习一点也不马虎。 7、幼儿园的小朋友都喜欢王老师。 8、这个问题不能不讲清楚。 二、把下列肯定句改成否定句,不改变句子意思。 1、这部电影使我感动得流泪。 2、黑熊躲进大树洞里。 3、下个星期天,妈妈要带我去西湖划船。 三、把下列肯定句改为双重否定句。 1、香港回归伟大的祖国,我们感到无比自豪。 2、您为我们付出了这样高的代价,足以表达您对中国人民的友谊。 3、每个小孩子都喜欢小动物。 4、我对同学们的勇敢精神,从心底里感到无限的敬佩。 5、信赖,往往创造出美好的世界。

6、这是伟大的奇观。 7、你应该知道这件事。 8、我们建成了希望小学。 9、詹天佑是我国杰出的爱国工程师。 10、星期天,我们必须去看排球赛。 11、报纸的诱惑力如此之大,每日都要读它。 12、他这样做虽然过分了点,但还是有道理的。 13、问题还没有弄清,但已经有了一点儿头绪。 14、写得不怎么样,但还是有希望的。 15、燕子飞过大海,肯定非常辛苦、艰难。 16、爹妈都不在家,只好自己动手丰衣足食了。 17、在共产党面前,什么困难都能克服。 四、把陈述句先改成否定句,再改成反问句,意思不能变。 1、那只可爱的小麻雀是我喂养的。 否定句: 反问句: 2、这个故事使妈妈感动不已。 否定句: 反问句:

3、我们要遵守交通规则。 否定句: 反问句: 五、转换句式(拓展 1、这是真理。(改为反问句 2、多得些知识决不是一件坏事。(改为否定句 3、这件事我一定要做。(调换顺序,意思不变 4、在这树上有许多鸟巢。(改变词序,句子意思不变 5、写得不怎么样,但还是有希望的。(改为双重否定句 6、问题还没有弄清,但已经有了一点儿头绪。(改为双重否定句 7、天气太热了,简直叫人受不住。(改成夸张句

陈述句变否定句

陈述句变否定句 一、把下列陈述句改为否定句。 1. We go to school on Sunday. We don’t go to school on Sunday. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语不是第三人称单数，时态是一般现在时，在主语后加don’t。 2. We’ll go to the park this afternoon. We won’t go to the park this afternoon. 答案解析：陈述句改为否定句时，will的否定形式是won’t。 3. I am watching TV now. I am not watching TV now. 答案解析：陈述句改为否定句时，当句中有be动词时，在be动词后not。 4. Jack’father is a teacher. Jack’father isn’t a teacher. 答案解析：陈述句改为否定句时，当句中有be动词时，在be动词后not。 5. The dog runs fast. The dog doesn’t run fast. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语是第三人称单数，时态是一般现在时，主语后加doesn’t。 6. The baby can speak. The baby can’t speak. 答案解析：陈述句改为否定句时，句中有can ，may等时，在主语后直接加not。 7. There is some water in the bottle. There isn’t any water in the bottle. 答案解析：陈述句改为否定句时，当句中有be动词时，在be动词后not,some 要改为any。 8. Her mother works hard. Her mother doesn’t work hard. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语是第三人称单数，时态是一般现在时，主语后加d oesn’t。 9. They like reading books. They don’t like reading books. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语不是第三人称单数，时态是一般现在时，在主语后加don’t。 10. We had lessons this morning. We didn’t have lessons this morning. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语不是第三人称单数，时态是一般过去时，在主语后加didn’t。 11. I have a doll. I don’t have a doll. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语不是第三人称单数，时态是一般现在时，在主语后加don’t。 12. It is a fish. It isn’t a fish. 答案解析：陈述句改为否定句时，当句中有be动词时，在be动词后not。 13. They speak English. They don’t speak English. 答案解析：陈述句改为否定句时，如果句中没有be动词，找主语，如果主语不是第三人称单数，时态是一般现在

变否定句

1. 由系动词am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 反问句: He is a student, isn't he? He isn't a student, is he? 画线提问: 对he提问: Who is a student? 对a student 提问: What is he? or What does he do? 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 反问句: She can swim, can't she? She can not swim, can she? 画线提问: 对she提问: Who can swim? 对swim提问: What can she do? 3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does 放在句子前面. 例如: 肯定句: They play football after school. 一般疑问句: Do they play football after school? 否定句: They don't (do not) play football after school. 反问句: They play football after school, don't they? They don't play football after school, do they? 画线提问: 对they提问: Who play football after school? 对play football提问: What do they do after school? 对after school提问: When do they play football?

陈述句变为否定句

陈述句变为否定句 1.如果陈述句中有be动词（am , are, is, was, were）,就在be动词后 面直接加not。 I am a student. → I am not a student. You are sad. → You are not sad. She is a good girl. → She is not a good girl. He is a good boy. → He is not a good boy. Yesterday was Monday. → Yesterday was not Monday. The students were busy yesterday. → The students were not busy yesterday. 2.如果陈述句中有情态动词（can must should may will等），就在情 态动词后面直接加not。 I can swim. →I can not swim. You will go to the park. → You will not go to the park. 3.如果陈述句中没有be动词也没有情态动词（就是实意动词），就 需要借助助动词（do, does, did）来帮助否定。 ①当句中的动词是原形时，加don’t I like English. → I do not like English. You have dinner. → You do not have dinner. ②当句中的动词是第三人称单数时，加doesn’t ，再加动词原形 She likes singing. →She doesn’t like singing. She does her homework. → She does not do her homework. (特例)

陈述句变否定句一般疑问句特殊疑问句及练习

句型转换的方法 一、肯定句改否定句的方法——一步法 1、在be动词后加not。如：is not ， are not ， am not， was not， were not； 2、在can，should， will等后加not。如：cannot， should not， will not； 3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。 4、 some 改成any。 把下面的句子变成否定句。 1.She is watching TV now. 2.We go to school on Sunday. 3.His father works hard. 4.Jack's mother is a nurse. 5.The cat runs fast. 6.They like reading books. 7.My grandpa gives me a hot dog. 8.Tom often walks to school. 9.I have a doll. 10.It is eating fish. 二、肯定句改一般疑问句的方法——三步法 1、把be动词放在句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 2、把can，shall， will等放到句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。

例如：陈述句: They are in the park. He can play the guitar.. 一般疑问句: Are they in the park? Can he play the guitar? 把下列句子变成一般疑问句 1. I am listening to music. 2. Mike is a student. 3. Sarah can clean the classroom. 4. They are in the zoo. 5. There are some flowers in the vase. 6.This is my sister. 7.We are sweeping the floor. 3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 例如：陈述句: I like the ducks. He likes the dogs. 一般疑问句：Do you like the ducks? Does he like the dogs? 把下列句子改为一般疑问句。 1. We need some masks. 2. They like making the puppet. 3. Su Hai and Su Yang live in a new house.

陈述句变特殊疑问句的规则及练习7.20

陈述句改特殊疑问句的规则及练习 一、什么叫特殊疑问句？ 以疑问词开头，对句中某一成分提问的句子叫特殊疑问句。常用的疑问词有：what（什么），who（谁），whose（谁的），which（哪个），when（何时），where（哪里），how（怎样），why（为何）等。 1. what意为“什么”，用来对“事”或“职业”提问。 What is this? 这个是什么？ What is your father? 你爸爸是做什么的？ 2. who意为“谁”，用来对“人”提问。 Who is behind the door? 谁在门后？ 3. whose意为“谁的”，用来对物主代词及名词所有格进行提问。 Whose bag is this? 这个包是谁的？ 4. which意为“哪个”，既可以对“人”提问，也可以对“物”提问。 which season do you like best? 你最喜欢哪个季节？ 5. when意为“什么时候”，对时间提问。对具体钟点提问用“what time”。 When did you arrive? 你什么时候到的？ What time does the first class begin? 几点钟开始第一堂课？ 6. why 意为“为什么”，对原因提问。 Why are you late? 你为什么迟到? Why don’t we go to together? 我们为什么不一起去？ 7. where 意为“在哪里”，对地点提问。 where is lily? Lily在哪里？ 8. how 意为“怎样”，对方式、程度、状态等提问。 How are you today? 你今天怎么样？ How do you go to school every day? 你每天怎么去学校?

陈述句变否定句和一般疑问句口诀和练习

否定句变换口诀 1. 变否定，找be、 can ， be、can后边加not， 2. 无be无can找动词，动词前边加don't/doesn’t，后面动 词用原形。 【典型例题】 1. David watches TV every evening.（改为否定句） 2. She is buying some food in the supermarket（改为否定句） 3. He can play the piano.（改为否定句） 一般疑问句变换口诀 1. 一般问，找be、 can ， be、 can提前用问号； 2. 无be无can借用do（三单does）, 放到句首要大写。 【典型例题】 1. This is my toy car.（改为一般疑问句） 2. He can play basketball.（改为一般疑问句） 3. Jack speaks English very well. （改为一般疑问句） 对划线部分部提问口决 划线问，先把原句变疑问，找准特殊疑问词，放在句首去划线，动词词组do 代替，时态人称要注意。 【典型例题】 1. The children are flying kites in the park. （对画线部分提问） 2. There are ten books in the bag.（对画线部分提问） 3. She is a nurse. （对画线部分提问）

一、按要求完成句子（要求：A：改为一般疑问句 B：改为否定句） 1. I am a student.→A: B: 2. They are English cars. →A: B: 3. This is a pencil-box. →A: B: 4. Its name is Polly. →A: B: 5. Jim is at school. →A: B: 6. These are my English books. →A: B: 7. I know his name. →A: B: 8. Please look after your cat. →A: B: 9. There is some money in the purse. →A: B: 10. There are many apples on the tree. →A: B: 11. You can go to have a look. →A: B: 12. Come here, please. →A: B: 二、回答句子（A：肯定回答 B：否定回答） 1. Are you a teacher? →A: B: 2. Is this your ruler? →A: B: 3. Are those banana trees? →A: B: 4. Is it a nice room? →A: B: 5. Is there a picture on the wall? →A: B: 6. Are there any trees on the hill? →A: B: 7. Can you see a bird in the sky? →A: B: 8. Do you know Mr Wang? →A: B: 陈述句变一般疑问句 1. His father is an English teacher. _________________________________________ ? 2. These cats are crying.（喊叫） _________________________________________ ? 3. They can swim. _________________________________________ ? 4. I like to read（阅读） English. _________________________________________ ? 5. I go to school on foot.（走路） _________________________________________ ? 6. He likes English. _________________________________________ ? 7. His father goes to work by bus.（乘公共汽车） _________________________________________ ? 8. He is crying（哭） under the tree. _________________________________________ ? 9. The boy does some housework（家庭作业） at home. _________________________________________ ? 10. The children had a good time in the park（公园）. _________________________________________ ?

八年级下册变否定句的方法和练习题

变否定句的方法及习题： 一、句中有Be(am,is,are,was,were)动词的时候，直接在 Be(am,is,are,was, were)动词后加not, 通常缩写。 Lg. 1.There is a school near the bank.----There isn’t a school near the bank. 2.I was reading a book at that time.—I wasn’t reading a book at that time. 3.They were taking photos.------They weren’t taking photos. 二、句中有情态动词时候，在情态动词（can, may, must, might, will, would, should…）后加not, 通常缩写。 Lg. 1.I will help to clean up the city parks.----I won’t help to clean up the city parks. 2.She should come back on time.----She shouldn’t come back on time. 三、句中没有Be动词和情态动词的时候，在动词前面加don’t、doesn’t或didn’t，动词用原形。过去时用didn’t; 一般现在时,当主语是第三人称单数(He, She,It, 或单个的人或物)的时候用doesn’t，其它都用don’t. Lg. 1.An old man tried to move the mountains.

陈述句变否定句练习题

陈述句变否定句的练习题 I． Be 动词 1. He is a boy. 2. I am your friend. 3. My sister is a beatiful girl. 4. My mother is a worker. 5. They are in the classroom. 6. There are some books on the bookshelf. 7. I was at home yesterday. 8. They were in Beijing ten years ago. 9. I am looking for a job recently. 10. The students are playing basketball in the playground. II．情态动词 1. Lucy will be back in a week. 2. She can sing a song and draw a picture. 3. You can use the dictionary. 4. Peter need go home tomorrow. 5. You should line up when you wait for a bus. 6. We need learn something to cook. 7. I can write a book. 8. You should say “Sorry” to somebody who you hurt him. 9. He must stay at home to finish his homework. 10. I can go to Shanghai Zoo.III． 实意动词 1. We come from China. 2. We like the mask. 3. He likes the violin. 4. Have some bread, Tom. 5. Please open your books. 6. I like Chinese、Maths、Art and PE. 7. She has a shower in the morning. 8. Peter did lots of work in the company last night. 9. They had a lot of fun in past ten years. 10. I used to play the piano. answer: I. Be动词 1. He is a boy. He is not a boy. 2. I am your friend. I am not your friend. 3. My sister is a beatiful girl. My sister is not a beatiful girl. 4. My mother is a worker. My mother is not a worker. 5. They are in the classroom. They are not in the classroo. 6．There are some books on the bookshelf. There are not any books on the bookshelf. 7. I was at home yesterday. I was not at home yesterday. 8. They were in Beijing ten years ago. They were not in Beijing ten years ago. 9. I am looking for a job recently. I am not looking for a job recently.

陈述句变否定句练习题

陈述句变否定句的练习题 I. Be动词 I. He is a boy. 2.1 am your friend. 3. My sister is a beatiful girl. 4. My mother is a worker. 5. They are in the classroom. 6. There are some books on the bookshelf. 7. I was at home yesterday. 8. They were in Beiji ng ten years ago. 9. I am look ing for a job recen tly. 10. The stude nts are play ing basketball in the playgro und. II. 情态动词 1. Lucy will be back in a week. 2. She can sing a song and draw a picture. 3. You can use the dict ion ary. 4. Peter n eed go home tomorrow. 5. You should line up whe n you wait for a bus. 6. We n eed lear n someth ing to cook. 7. I can write a book. 8. You should say “ Sorry” to somebody who you hurt him. 9. He must stay at home to finish his homework. 10. I can go to Shan ghai Zoo.I II. 实意动词 1. We come from Chi na. 2. We like the mask. 3. He likes the violi n. 4. Have some bread, Tom. 5. Please ope n your books. 6. I like Chinese、Maths、Art and PE. 7. She has a shower in the morning. 8. Peter did lots of work in the compa ny last ni ght. 9. They had a lot of fun in past ten years. 10. I used to play the pia no. answer: I. Be 动词 1. He is a boy. He is n ot a boy. 2. I am your friend. I am not your friend. 3. My sister is a beatiful girl. My sister is not a beatiful girl. 4. My mother is a worker. My mother is not a worker. 5. They are in the classroom. They are not in the classroo. 6. There are some books on the bookshelf. There are not any books on the bookshelf. 7. I was at home yesterday. I was not at home yesterday. 8. They were in Beijing ten years ago. They were not in Beijing ten years ago. 9. I am look ing for a job recen tly. I am not look ing for a job rece ntly. 10. The stude nts are play ing basketball in the playgro und. The stude nts are not play ing basket

英语肯定句变否定句的基本方法

肯定句变否定句的基本方法 一、如果谓语中有情态动词、助动词或be，直接在它们后面加not构成否定句。 1.在含系动词be、助动词be, have, has, will, would, shall, should等之后直接加not，构成否定句。如： He is there. — He is not there. 他不在那儿。 I have finished my work. — I have not finished my work. 我的工作还没完成。 She will agree with you. — She will not agree with you. 她不会同意你的意见。 He will not go there. 他不会那里。 I am not a teacher. 我不是教师。 2.否定含情态动词的句子： a.在情态动词can, could, may, might, must, need, dare, had better, would rather的句子之后直接加not。如： (1) He can say so. — He can not say so. 它不会那样说。 (2) Students must smoke. — Students must not smoke. 学生不允许抽烟。 (3)You’d better go there now.—You’d better not go there now. 现在你最好不要去那里。 (4)I’d rather tell you the truth.—I’d rather not tell you the truth. 我倒想不告诉你真相。 (5) He dared ask his parents for money again. — He dared not ask his parents for money again. 他不敢向父母亲要钱。 I can not dance. 我不会跳舞。 b.在含情态动词ought to的句子，在ought to中的to前面加not，构成否定句。如： (1) You ought to bother him. — You ought not to bother him. 你不应该去麻烦他。 (2) You ought to waste your time. — You ought not to waste your time. 你不应该把时间浪费了。 c.在含情态动词used to的句子，可在used to中的to前面加not；也可在used前面加did not，同时将used 改为use。如： (1) He used to smoke in the past . — He used not to smoke in the past. 他过去不常抽烟。 (2) He used to live here. — He did not use to live here. 他原来常不住这里。 d.在含情态动词have / has / had to的句子，在have / has / had to前面加do not的适当形式, 同时将has / had 改为have。如： (1) You do have to stay here after school. — You do not have to stay here after school. 你不必放学后还呆在这里。 (2) He had to go to work yesterday. — He did not have to go to work yesterday. 他昨天不必去上班。 二、如果谓语中没有情态动词、助动词或be，在动词之前加do not (一般现在时第三人称单数用does not,过去时用 did not，并将原来的谓语动词改为原形) 。 (1) He likes classic music. — He does not like classic music. 他不喜欢古典音乐。 (2) She played table tennis yesterday afternoon. — She did not play table tennis yesterday afternoon. 她昨天下午没有打乒乓球。 You don’t look well today.你今天气色不好。 She does not know what to do. 她不知道做什么。

变否定句方法

变否定句方法 1．Be ( 一般现在时is / are / am一般过去时was/ were ) , 在be 后面加not . 缩写：isn’t aren’t wasn’t weren’t 1). She is at home now. →She is not at home now . = isn’t 2) They are playing basketball .→They are not playing basketball . = aren’t 3) I am a teacher .→I am not a teacher . 4) He was asleep . →He was not asleep . =wasn’t 5)We were happy at the party →We were not happy at the party . weren’t 2. 在情态动词can , could , must ,should ,may ,will , would,shall等后面加not 。 缩写：can’t , could n’t , must n’t ,should n’t, may not ,won’t , would n’t , shalln’t 1）He can swim in the river . → He can not swim in the river . 2）We should clean the room . → We should not clean the room . 3）He can read and write．→He can’t read or write． 3.谓语动词是行为动词时，在该动词前加上don’t ／doesn’t／didn’t，动词用动词原形。如： 1）He gets up early．→He doesn’t get up early． 2）They go to school on foot →They don’t go to school on foot . 3）She saw Liu Xiang yesterday . →She didn’t see Liu Xiang yesterday . He /she / it / Lucy / Li Lei 当主语是第三人称单数时，用doesn’t They /we / you/my parents / I 当主语是复数和第一人称I时，用don’t 当He /she/ it/ Lucy/ LiLei/ They/ we/ you/ my parents/ I 过去时都用didn’t 4. 用含否定意义的词或词组取代肯定句中的某些词或词组。如： I know both English and Chinese．→I know neither English nor Chinese． 类似的有：ever /always →never somebody →anybody too →either something →anything everybody →no one almost →hardly already →yet often →seldom Neither…nor → Both ...and 5．祈使句的肯定式变否定式 （1）一般在动词前加上don’t。如：Open the window ．→Don’t open the window．（2）含有“Let’s．．．”的祈使句，一般用“Let’s not……” Let’s go there．→Let’s not go there． 6．复合句的肯定句变否定句方法 一般将主句变为否定式。如：I saw her when I left ．→I didn’t see her when I left．7. 例题 1).I think she is there. →I don’t think she is there 分析：宾语从句前面的动词是think, believe, expect, suppose 。 变否定句时, 即否定主句谓语，不否定宾语从句谓语。 2). He can sing this song and that one . He can not sing this song or that one . 3). Tom went to school , too. Tom didn’t go to school , either. 4). He has had supper already . He hasn’t had supper yet . 助动词has / have / had （not）+ 过去分词 5). He had a good rest just now. He didn’t have a good rest just now. 分析：has / have / had表示开会、吃饭、休息、进行体育锻炼是行为动词，