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小学英语四大时态结构讲解

一般过去时的述句：主语+动词过去式+宾语

一般过去时的否定句：主语+didn't +动词原形+宾语主语+ was/were not +宾语

一般过去时的一般疑问句：Did + 主语+ 动词原形+宾语？was/were +主语+宾语？

① 示过去某个时间发生的动作或存在的状态，常和表示过去的时

间状语连用，如：yesterday, last night, in 1999, two weeks

ago等。

② ②表示过去经常或反复发生的动作，常和often, always等表

示频度的副词连用。

③ ③规则动词过去式的构成如下：

④ 1）在动词原形末尾+ed: look—looked, play—played

⑤ 2）结尾是e的动词+d: live—lived, hope—hoped

⑥ 3）结尾是“元音字母+辅音字母”的重读音节词，先双写这个

辅音字母，再+ed: stop—stopped, trip—tripped

⑦ 4）结尾是“辅音字母+y”的动词，先变y为i，再+ed: study

—studied, carry—carried

⑧ ④不规则动词要逐一记忆，可参考不规则动词表。

一般过去时的特殊疑问句:：特殊疑问词+一般过去时的一般疑问句一般过去时态: （1）表示过去已经发生的事情,通常用“last we ek, just now, yesterday”等词。（2）be 动词的过去式: am/

is—was are—were I/He/she/it was(not)….You/we/they were…. 一般疑问句was, were 放在句首。（3）过去式基本结构肯定句（Positive）动词过去式I went shopping last ni ght. 否定句(Negativ e) Didn’t + 动词原形I didn’t go sh opping last night. 一般疑问句(Yes/No) Did …+ 动词原形…? Did you go shopping last night? 特殊疑问句(wh-) What di d…+ 动词原形…? What did you do last night? (4)动词过去式的变化：规则动词的变化：一般动词+ed planted,watere d,climbed 以不发音的e结尾+d liked 辅音字母加y 结尾-y+ ied study—studied, cry- cried 重读闭音节单词，末尾只有一个辅音字母双写最后一个字母+ed stop –stopped plan - planned 不规则动词的变化：原形过去式原形过去式原形过去式原形过去式sweep swept teach taught have had go went keep kept think thought do did find found slee p slept buy bought eat ate say said feel felt drink drank is/am was take took read read give gave are were mea n meant put put sing sang drive drove meet met cut cu t begin began speak spoke make made let let ring rang write wrote see saw fly flew run ran ride rode come ca me draw drew sit sat hear heard tell told grow grew lear n learned/ learnt get got know knew

一般现在时的述句：主语+动词原形或单三形式动词（根据主语的变化而变化）+宾语

一般现在时的否定句：主语+don't/doesn't +动词原形+宾语主语+ am/is/are +not +宾语

一般现在时的一般疑问句：Do/Does +主语+动词原形+宾语？Is / Are +主语+ 宾语？

特殊疑问句：特殊疑问词+一般现在时的一般疑问句？

（1）表示经常发生的动作或事情，通常用“usually, often, every day, sometimes，always,never”等词。（2）基本结构：I / You / We / They He / She / It 肯定句（Positive）动词原形（V）动词第三人称单数形式（V+S）否定句(Negative) don’t + 动词doesn’t + 动词原形一般疑问句(Yes/No) Do… ? Yes, I do. Does…(动词原形)…?No,she doesn’t. 特殊疑问句(wh-) What do …? How does she…(动词原形)…? (3) 动词第三人称单数形式a. Most verbs +s walk-walks b. Verbs ending in a consonant +y -y +ies fly-flies c. Verbs ending in s, sh, ch or x +es watch-watches d. Others do-does ,have-has, go-goes

现在进行时的述句：主语+ Be + 现在分词+ 宾语

现在进行时的否定句：主语+ be+ not+ 现在分词+宾语

现在进行时的一般疑问句：Be+主语+现在分词+宾语

现在进行时的特殊疑问句：特殊疑问词+一般疑问句

现在进行时,:（1）表示正在发生的动作，通常用“now,look”. （2）

基本形式：be + 动词+ing eg: I am(not) doing my homework. You/We/They are(not) reading. He/She/It is(not) eating. What are you doing? Is he reading? （3）动词的现在分词形式（do+ing）Most verbs +ing walk—walking Verbs ending in e -e + ing come—coming Short verbs ending in a vowel + a consonant Double consonant run-running swim-swimming

①

②

③

④

⑤

⑥

一般将来时的述句：主语+will/be going to + 动词原形+宾语

一般将来时的否定句：主语+won't/be+not going to +动词原形+宾语

一般将来时的一般疑问句：Will + 主语+动词原形+宾语？Be + 主

语+ going to +动词原形+宾语

一般将来时的特殊疑问句：特殊疑问词+一般将来时的一般疑问句一般将来时: 一般将来时表示将来打算做的事或将要发生的事情。结构：be going to +动词原形例如：I’m going to visit my grandpa next week. 与这个时态连用的时间状语常用：tonight, tomorrow, the day after tomorrow, next week, in three hours, two days later 等。一般将来时态与其它结构表将来情况的区别：一般将来时态：主要从时间的角度表将要发生的动作或情况。一般将来时除了使用“shall／will + V…”以外，也可以使用下列的句式来表达。1．be going to + V … （即将会……；打算将……）be going to 结构：①表（主观上）打算或准备做某事时。②表有发生某事的预兆时。e.g. They are going to have a competition with us in studies. It is going to rain. 据以上区别，故下面一句是错的：I am going to be eighteen years old next year. 应改为：I shall be eighteen years old next year. be about to do sth 结构：意为“刚要做某事”、“马上要做某事”强调时间之紧迫性。

e.g. We are about to discuss this problem. 我们将马上讨论这个问题。be to do sth 结构：表示按计划、安排、规定将实施某事或表示注定会发生某事。e.g. When is the train to leave. shall与will用法的区别详见(shall与will用法的区别及它两过去式用法的区别)4. 一般将来时

①一般将来时表示将来某一时间的动作或状态。常与tomorrow,

next week, from now on, in the future等连用。

②由助动词shall（第一人称）/will（第二、三人称）+动词原形构成。

③美国英语则不管什么人称，一律用will。

④“be going to+动词原形”表示即将发生的或最近打算进行的事：We are going to have a meeting today. 今天我们要开会。

⑤一些动词（go，come，start，move，sail，leave，arrive，stay 等）的进行时态可表示近期的计划和打算：I'm leaving for Beijing.我要去。

⑥“be to+动词原形”表示按计划要发生的事或征求对方意见：Are we to go on with this work? 我们继续干吗？

小学英语，把语音视为语言教学的基础，把语音教学视为启蒙阶段的重要任务，打好语音基础，把好语音关。为确保良好的教学效果，在教学新容时，要强调听音、辨音、观察、模仿、练习、运用。例如：根据读音把单词归类。这就要求学生掌握开音节和闭音节。但不必把它们的定义告诉学生，而且找出开音节和闭音节单词的规律。简单地说：一般情况下，当单词最后一个字母和倒数第三个字母是a.e.i.o.u 时，这个单词就是开音节；当单词最后一个字母不是a.e.i.o.u>时，这个单词就是闭音节。开音节的时候，读字母本身音；闭音节时，就读另外一个音。例：cake的最后一字母是e，倒数第三个字母是a，所以它是开音节，a发/ei/，fish的最后一个字母是h，所以它是闭音节，i发/i/。但同时也要讲明特殊情况：student如果按前面说的，它应该是闭音节，但u在这里却发/ju：/。

小学英语四大时态测试题打

小学英语四大时态测试题一、写出下列单词的现在分词：（1分） speak ______ 2. run _______ 3. swim ______ 4. do ____ask _______ 6. begin _______ 7. dance ______ 8.eat ______9. sing ________ 10 fly _______ 11. jog ______12. come ______13. talk ____ 14. sleep ______ 15. fight _____ 16.jump ______17. get _________18. buy _______ 19. cook __________ 20.skate __________ 二、写出下列动词的过去式或动词原形。（1分） 1. go_____ 2. is_____ 3.buy_____ 4.swim_____ 5. have ______ 6. watched ________ 7. ate_____ 8. got_____ 9. lived ______10. saw ___ 11. spend _____ 12. talk ______13. do ______14. teach _______ 15. win ______ 16. like _______ 17. write _______18. cry ______ 19. study _____ 20. ask __________ 三、用单词的正确形式填空：（1分） 1.Mike _________ (do) his homework every day. 2.There __________(be) some water in the glass. 3.I like singing. I often _________(listen) to the music in the evening. 4. look! Chen Jie and Mike are ___________（sing）now. 5. The small bear is ________ (climb) the tree. 6. My father is ________ (read) a newspaper in living room.

小学英语四大时态结构讲解

一般过去时的陈述句：主语+动词过去式+宾语一般过去时的否定句：主语+didn't +动词原形+宾语主语+ was/were not +宾语一般过去时的一般疑问句：Did + 主语+ 动词原形+宾语？was/were +主语+宾语？ ① 示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用，如：yesterday, last night, in 1999, two weeks ago等。 ②表示过去经常或反复发生的动作，常和often, always等表示频度的副词连用。 ③规则动词过去式的构成如下： 1）在动词原形末尾+ed: look—looked, play—played 2）结尾是e的动词+d: live—lived, hope—hoped 3）结尾是“元音字母+辅音字母”的重读音节词，先双写这个辅音字母，再+ed: stop—stopped, trip—tripped 4）结尾是“辅音字母+y”的动词，先变y为i，再+ed: study —studied, carry—carried ④不规则动词要逐一记忆，可参考不规则动词表。一般过去时的特殊疑问句:：特殊疑问词+一般过去时的一般疑问句一般过去时态: （1）表示过去已经发生的事情,通常用―last week, just now, yesterday‖等词。（2）be 动词的过去式: am/is—wa

s are—were I/He/she/it was(not)….You/we/they were…. 一般疑问句was, were 放在句首。（3）过去式基本结构肯定句（Positive）动词过去式I went shopping last night. 否定句(N egati ve) Didn’t + 动词原形I didn’t go shopping last night. 一般疑问句(Yes/No) Did …+ 动词原形…? Did you go shopping last night? 特殊疑问句(wh-) What did…+ 动词原形…? What did yo u do last night? (4)动词过去式的变化：规则动词的变化：一般动词+ed planted,watered,climbed 以不发音的e结尾+d liked 辅音字母加y结尾-y+ ied study—studied, cry- cried 重读闭音节单词，末尾只有一个辅音字母双写最后一个字母+ed stop –stopped plan - planned 不规则动词的变化：原形过去式原形过去式原形过去式原形过去式sweep swept te ach taught have had go went keep kept think thought do did find found sleep slept buy bought eat ate say said feel felt dri nk drank is/am was take took read read give gave are were mean meant put put sing sang drive drove meet met cut cut begin began speak spoke make made let let ring rang write w rote see saw fly flew run ran ride rode come came draw dre w sit sat hear heard tell told grow grew learn learned/ learnt get got know knew

小学英语四种时态

英语四种时态 ◆一般现在时 1.定义:1.表示目前存在的状态 2.表示经常性、习惯性的动作 3.表示客观的事实 2.标志词：频度副词：例：always, usually, often, sometimes, every day(week….) 例如：1. I often watch TV at home. 3.结构：当主语是第三人称单数时动词+ s, 或es）2. She always goes to school on foot 疑问形式：.主语前加do 或does (动词还原) 否定式：动词前加don’t 或doesn’t (动词还原) 例如：Do you clean your room on the weekend? Does she wash her clothes on the weekend?ea ◆现在进行时 1. 定义：表示目前正在发生的动作或存在的状态 2.标志词：1.提示语：look! Listen! now!等词 3.结构：Be动词(am, is, are ) + 动词ing 例如：1. Look, they are playing football.2. Listen ,she is singing. 3.I am reading now . ◆一般将来时 1．定义：1.表示计划或打算做某事 2.将要发生的动作或存在的状态 2．标志词：1.tomorrow, the next day, this afternoon, this evening 2.next week (month, year…) 3．结构有两种：1.be going to + 动词原形 2.will + 动词原形如：1.He is going to play football next week. 2 .He will play basketball next week. 疑问形式：be 或will 放主语前如： 1. Is he going to play football next week? 2.Will he play baskball next week? 否定式：be 或will 后加not will not = won’t 如：1. He isn’t going to play football next week? 2. He won’t play baskball next week? ◆一般过去式 1.定义：表示过去时间内发生的动作或存在的状态 2.标志词：1.yesterday, last week/ year/ month 等 3.结构：1.动词用过去时was, were ,did, played 等。例如：is/am---was are ----were 疑问形式：1.was / were 放主语前 2.主语前加did (动词还原) 否定式：1.was/ were + not 2.动词前加didn’t (动词还原) 该句型分布在第8册Unit3&4中。如： 1.What did you do last weekend? I played football. 2. Did you help them clean their r oom? Yes, I did. 3.What did you do yesterday? I went fishing. 4. Did you read book? Yes, I did. 5. Did you clean your room? No, I didn’t. 6.Where did you go on your holiday? I went to Xinjiang. 7. What did you do there? I sang and danced with my new friends. 8. How did you go there？I went by train.

小学英语四大时态总结及练习题

你知道时态是什么意思吗？时态代表什么吗？小学英语就四个时态，你掌握了吗？时态动词变形名称动词变形规则各举一例一般现在时动词变第三人称单数形式 1.一般情况下 2.动词结尾是ch, sh, s, x 3.动词结尾是o 4.结尾是辅音字母加y 1.不规则动词一般过去时动词变过去式 2.一般情况下 3.动词结尾是e 4.重读闭音节辅元辅结构 5.结尾是辅音字母加y 6.不规则动词一般将来时Be going to + Will+ 现在进行时动词变动名词 1.一般情况下 2.以不发音字母e结尾的动词 7.重读闭音节辅元辅结构 3.以y结尾的动词 4.以ie结尾的动词你能发现它们之间的共同点和不同点吗？勤加练习，百战不殆 I．把下列动词变为第三人称单数形式。 1. clean-- 2. go-- 3. have-- 4. do- 5.play-- 6. fly-- 7. come-- brush- 9. watch-- 10. study-- 11. ask-- 12.answer-- 13. swim-- 14. catch-- 15. write-- 16. eat-- 17. make-- 18. paint— 19. learn-- 20. phone-- 21. run— 22. hop-- 23. sing-- 24. pick— II．把下列动词变成过去式 is\am________ fly______ plant_____ are________ drink_________ play_______ go________ make ______ do_________ dance________ worry_____ask _____ taste_________ eat________ draw________ put ______ throw________ kick_________ pass_______ do ________ III．把下列动词变成动名词形式。 wake________ make__________ come____________ have____________take_________ leave__________ rid_________, regret__________,begin________ cut________, get_________, hit_________, run_________, set_________, sit__________, spit__________, stop_________, swim________, beg_________, drop__________, fit_________, nod_________, dig___________, forget_________, travel_________ visit_________ carry_________ enjoy___________ play ___________ study _____die_________ lie_________

小学英语四种时态的区分及练习完整版

小学英语四种时态的区分及练习 HEN system office room 【HEN16H-HENS2AHENS8Q8-HENH1688】

一般现在时：表示经常习惯发生的事，经常与always（总是）, usually（通常） ,often（经常）, sometimes（有时）, every(每个)，at+点钟连用。结构：主语是复数动词用原型，主语是第三人称单数动词用三单。三单变化规则：1.直接在动词后+s,例clean—cleans 2.以s,x, ch,sh,或o结尾的动词+es 例watch--watches, dish— dishes, fix--fixes, do—does, go—goes 3. 以辅音字母+y结尾的动词变y为i 再+es,例 fly—flies study—studies(以元音字母+y结尾，直接+s 例 play—plays) 不规则变化：have—has 一般现在时句型转换： 1.变疑问，当句子中有be或情态动词can时，一提，二变，三问号。变否定，在be或can后+not. 例：肯定句She is a girl. 疑问句Is she a girl 否定句 She is not a girl. I can swim. Can you swim I can not swim. 2. 变疑问，当句中没有be或can时，在句首+助动词（do或does）动词还原。变否定，在动词前+don’t或doesn’t, 动词还原。例：肯定句 We get up at 6:oo. 疑问句 Do you get up at 6:00? 否定句 We do not get up at 6:00. 例：肯定句 He goes to school by bus. 疑问句 Does he go to school by bus? 否定句 He does not go to school by bus. 用动词的适当形式填空: (go) to school at 7:00. often （eat）breakfast at 6:10。 uausally （study）English at 17:30. （like）playing football after school. father (watch) TV every evening. (not listen) to music on Monday. 7. Tom (not go) to the zoo on Sunday. 8. There （be）some tea in the cup. 9. Amy and I often ___________ (see) a film on the weekend. she (do) homework 现在进行时：表示正在发生或正在进行的事，句中经常有（now, look, listen, it’s+几点钟等提示词）

小学英语四种时态的练习及答案

一般将来时练习 ( ) 1. There __________ a meeting tomorrow afternoon. A. will be going to B. will going to be C. is going to be D. will go to be ( ) 2. Charlie ________ here next month. A. isn’t working B. doesn’t working C. isn’t going to working D. won’t work ( ) 3. He ________ very busy this week, he ________ free next week. A. will be; is B. is; is C. will be; will be D. is; will be ( ) 4. There ________ a dolphin show in the zoo tomorrow evening. A. was B. is going to have C. will have D. is going to be ( ) 5. –________ you ________ free tomorrow? – No. I ________ free the day after tomorrow. A. Are; going to; will B. Are; going to be; will C. Are; going to; will be D. Are; going to be; will be ( ) 6. Mother ________ me a nice present on my next birthday. A. will gives B. will give C. gives D. give ( ) 7. – Shall I buy a cup of tea for you? –________. （不，不要。） A. No, you won’t. B. No, you aren’t. C. No, please don’t. D. No, please. ( ) 8. – Where is the morning paper? – I ________ if for you at once. A. get B. am getting C. to get D. will get ( ) 9. ________ a concert next Saturday? A. There will be B. Will there be C. There can be D. There are ( ) 10. If they come, we ________ a meeting. A. have B. will have C. had D. would have 一般过去时练习 ( )1.The two __________in the same class last year. A. are B. was C. were D. be ( )2.---Where______ you______ ?----I went to buy some food for supper. A.are … go B.did … go C.do … go D. will … go ( )3. "Why _______ she _______ angry?" "Because he _____ at him just now. A. did… get, shouted B. has…got…shouted C. did… get… has shouted D. has…got…has shouted ( )4.__________ that worker __________in a shoe factory a year ago? A. Do, work B. Did, worked C. Did, work D. Does work ( )5_____ you ______ the film before ? Where ____ you _____ it ? A. Have… seen… did… see B. Did…see…die…watch C. Have…seen… have… seen D. Did…see…have…seen ( )6. __________your mother __________to work last Saturday? A. Did, go B. Do, go C. Does, go D. Has, gone ( )7.They__________ not late the day before yesterday. A. did B. were C. are D. do ( )8.__________ they away from school last October? A. Did B. Were C. Do D. Are ( )9. You _____ me waiting for two hours. I _____ for you since five. A. kept…waited B. have kept…waited C. kept…have waited D. have kept…have waited ( )10. _____you _____ the text yet ? Yes, we _____ it two hours ago. A. Did…copy…did B. Have… copied…have

2017小学英语四大时态讲解

小学英语四大时态讲解小学英语有四大必备时态，即一般现在时、一般过去时、一般将来时和现在进行时。本文将四大时态一文打尽，祝同学们学习进步！ (一)一般现在时 1.一般现在时表示经常或习惯性的动作，也可表示现在的状态或主语具备的性格和能力。 2.在一般现在时中，句中有be动词或情态动词时：否定句在be动词和情态动词后加not 如：He cann’t speak Chinese.一般疑问句将be动词或情态动词放在句首如：Can you speak Chinese? 4.在一般现在时中，句中没有be动词或情态动词时：主语为第三人称单数的否定句在动词前加does+not (doesn’t)一般疑问句在句首加does，句子中原有动词用原形; 主语为非第三人称单数，否定句用do+not (don’t)，一般疑问句在句首加do，句子中动词用原形。动词+s的变化规则 1.一般情况下，直接加-s，如：cook-cooks, milk-milks 2 .以s.x.sh.ch.o结尾，加-es，如：guess-guesses,wash-washes,watch-watches, go-goes 3.以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies (二)现在进行时 1、肯定句基本结构为be+ do ing. 否定句：be not doing. 一般疑问句把be动词调到句首

1.一般情况下，直接加ing，如：cook-cooking 2.以不发音的e结尾，去e加ing，如：make-making, taste-tasting 3.如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping (三)一般将来时 be going to 1.be going to表示将要发生的事或打算、计划、决定要做的事情。 2.肯定句：be going to +动词原形，如：Jim is going to play football.否定句：be not going to +动词原形，如：Jim is not going to play football. 一般疑问句：把be动词调到句首，如：Is Jim going to play football?特殊疑问句：疑问词+be+主语+goingto+动词原形?如：What is Jim going to do? 疑问词当主语时：疑问词+be+going to+动词原形?如：Who is going to play football? (四)一般过去时 1.一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作感谢。 2.句中没有be动词的一般过去时的句子否定句：didn’t +动词原形，如：Jim didn’t go home yesterday.一般疑问句：在句首加did，句子中的动词过去式变回原形。如：Did Jim go home yesterday? 特殊疑问句： ⑴疑问词+did+主语+动词原形?如：What did Jim do yesterday?⑵疑问词当主语时：疑问词+动词过去式?如：Who went to home yesterday?

(完整版)小学英语语法_四大时态(最新整理)

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一般过去时的述句：主语+动词过去式+宾语一般过去时的否定句：主语+didn't +动词原形+宾语主语+ was/were not +宾语一般过去时的一般疑问句：Did + 主语+ 动词原形+宾语？was/were +主语+宾语？ ① 示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用，如：yesterday, last night, in 1999, two weeks ago等。 ② ②表示过去经常或反复发生的动作，常和often, always等表示频度的副词连用。 ③ ③规则动词过去式的构成如下： ④ 1）在动词原形末尾+ed: look—looked, play—played ⑤ 2）结尾是e的动词+d: live—lived, hope—hoped ⑥ 3）结尾是“元音字母+辅音字母”的重读音节词，先双写这个辅音字母，再+ed: stop—stopped, trip—tripped ⑦ 4）结尾是“辅音字母+y”的动词，先变y为i，再+ed: study —studied, carry—carried ⑧ ④不规则动词要逐一记忆，可参考不规则动词表。一般过去时的特殊疑问句:：特殊疑问词+一般过去时的一般疑问句一般过去时态: （1）表示过去已经发生的事情,通常用“last we ek, just now, yesterday”等词。（2）be 动词的过去式: am/

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always(总是) usually(通常) often(经常) sometimes(有时) never(从不) every(每一) 二、基本用法 1.表示事物或人物的特征、状态。 2.表示经常性、习惯性的动作。 3.表示客观现实。三、构成 1.be动词：主语+be动词（am isare）+其它. 2.行为动词：主语+行为动词+其它。四、句型肯定句： A. be 动词：be+主语+其它。

B. 行为动词：主语+动词（注意人称变化）+其它。否定句： A.be动词：主语+be+not+其它。 B.行为动词：主语+助动词（do/does）+not+d动词原形+其它一般疑问句：A.be动词：be+主语+其它。 B.行为动词：助动词（Do/Does）+主语+动词原形+其他. 特殊疑问词：疑问词+一般疑问句现在进行时

一、标志词 now（现在）, look（看），listen（听）二、基本用法表示现阶段正在进行的动作三、基本结构 1.肯定句：主语+be动词+动词现在分词（ing）+其它。 2.否定句：主语+be动词+not+动词现在分词（ing）+其它。 3.一般疑问句：be动词+主语+现在分词（ing）+其它。 4.特殊疑问句：疑问词+一般疑问句。一般将来时

一、标志词 tomorrow（明天），soon（不久），will（将要=be going to）二、基本用法表示在在将来某个时间要发生的动作或存在的状态。三、基本结构 1.肯定句：主语+ be going to + 动词原形。主语+will+动词原形。 2.否定句：主语+ be going to +动词原形。主语+won’t + 动词原形 3.一般疑问句：Be + 主语+ going to+动词原形 Will + 主语+ 动词原形

小学英语四种时态的区分及练习

精心整理一般现在时：表示经常习惯发生的事，经常与always（总是）,usually（通常）,often（经常）,sometimes （有时）,every(每个)，at+点钟连用。结构：主语是复数动词用原型，主语是第三人称单数动词用三单。三单变化规则：1.直接在动词后+s,例clean—cleans 2.以s,x,ch,sh,或o结尾的动词+es例watch--watches,dish—dishes,fix--fixes,do—does,go—goes 3.以辅音字母+y结尾的动词变y为i再+es,例fly—flies study—studies(以元音字母+y结尾，直接+s例play—plays) 1. 2. 10.Doesshe(do)homework? 现在进行时：表示正在发生或正在进行的事，句中经常有（now,look,listen, it’s+几点钟等提示词）结构:主语+be动词（am,isare）+动词ing(现在分词) 现在分词变化规则：1.在动词后直接加ing,例:go-going。 2.以不发音字母e结尾,去e再+ing,例：take-taking, 3.辅元辅结构，且末尾只有一个辅音字母的动词要双写尾字母再加ing, 例：swim-swimming,run—running,get—getting,put-putting,sit-sitting，

begin—beginning stop—stopping,shop—shopping, 现在进行时句型转换：肯定句Sheiscleaningherroomnow 疑问句Isshecleaningherroomnow?(一提，二变，三问号) 否定句Sheisnotcleaningherroomnow(在be动词后+not) 特殊疑问句的结构：疑问词+be+主语+动词ing? 例:Whatareyoudoing. 一、写出下列动词的现在分词： 7 例：Whatareyougoingto/willdotomorrow? 用所给动词的适当形式填空 1.Todayisasunnyday.We___________________(have)apicnicthisafternoon. 2.Mybrother_______________(go)toShanghainextweek. 3.Tomoften______________(go)toschoolonfoot.Buttodayisrainy.He______________(go)toschoolbybike. 4.Whatwillyoudodonextweekend?I__________(watch)TVand____________(catch)insects? 5.TomorrowisFriday。What_____she_________(do)?She______________(watch)TVand(listen)tomusic.

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小学英语四大时态结构讲解

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2017小学英语四大时态讲解

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