（完整版）人教版英语八年级上册Unit5动词不定式语法详解

（完整版）人教版英语八年级上册Unit5动词不定式语法详解

Unit5 动词不定式语法详解不定式结构肯定：to + do sth. 否定：not + to do sth.

一、作主语

To study hard is very important. → It is very important to study hard.

注意: 不定式作主语时，通常用it作形式主语, 把真正的主语放在后面。

练习1、It is necessary ______us to learn to wait. (of/for) 2、It took them 1,000 yuan _________this table. (buy)

二、作表语

My job is to teach English.我的工作是教英语。

The most important thing is to learn something new and have fun.最重要的是学习新的东西和过得愉快

三、作宾语

1、动词+ to do sth.

常用动词有：want / wish / like / would like / hope / plan / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fail/ manage/ promise等

e.g. I hope to finish it tomorrow . She plans to go and teach in the country.

2、动词＋疑问词+to do

e.g. 我不知道接下来该做什么。I don’t know____________ next.

她不能决定买哪本书。She can’t decide_________________.

练习1、Don’t forget _________________.(关灯) 2、Sam is learning________________. (怎样开车）

四、作宾语补足语——对宾语进行补充说明

1、动词+ 宾语（sb./sth.) + to do sth. 常用动词有：ask, tell, allow, want, expect 等

e.g. The teacher asked her to answer the question. The doctor told me to have a good rest.

2、动词+宾语+不带to的不定式, 动词多为感官动词、使动词。

一感：feel 二听：hear, listen to 三使：make, let, have 四看：see, notice, watch, look at

e.g. John’s mother makes him play the piano every day.

We often hear him sing on the playground.

五、作定语

I have something important to say.我有重要的事要说

I have a lot of homework to do.我有许多家庭作业要做。

★不定式与所修饰的名词有动宾关系，如果不定式是不及物动词，它后面要有必要的介词。

The cat is easy to take care of.这只猫很容易照顾。

六、作状语

表目的Mrs. Wang went to Shanghai to see her daughter.王太太去上海看她女儿。

表原因We’re glad to meet you here.我们很高兴在这儿见到你。

表结果He is too tired to work on.他太累了而不能继续工作。

练习

1、Let him _______ the work at once. (finish / to finish)

2、Do you like listening to other people______? (talk / talking/to talk )

4、Please tell her _________here on time . (come / to come)

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It’sone’sturntodosth. It’stime(forsb.)todosth. find/think/feelit+adj.todosth. It’s+adj+todosth It’s+adj+of/forsbtodosth It’seasy/hard/important//impossible/interesting/difficult/necessary/…forsbtodosth（adj描述不定式 todosth的特征，性质时常用forsb） It’sgood/kind/nice/wise/clever/rude/patient/polite/foolish/right/wrong/carefulofsbtodosth(描述主语人的 7.the+序数词first/second/third… 8．.名词或代词+不定式。不定式 Ineedsomethingtodrinkhehasnomoneytobuyacomputer\ smileisthebestwaytomakenewfriendstheyneedaroomtolivein 9．不定式todo 一用所给动词的适当形式填空。 1.． 2.． 3..It’ 15.Thelittlegirldecided(buy)agiftforhermother 16.inorder(get)goodgrades,Bobstudiesharderthanbefore 17.Junkfoodisbadforourhealth,weshouldtry(eat)less 18.Mygrandpaisakindman,heisalwaysready(help)others 19.Myparentsexpectme(find)agoodjob 20.Theboyistooexcited(say)aword 21.Iwilltrymybest(help)you 22.Ifinditdifficultforme(get)upearlyonsocolddays 23.Itiseasy(learn)Englishifyouarehard-working

Unit5动词不定式专项人教版八年级英语上册

【讲解】 一、不定式作宾语 二、不定式作宾补 ask sb. to do sth.让某人做某事 tell sb. to do sth.告诉某人做某事 want sb.to dosth.想要某人做某事 expect sb.to do sth.期待某人做某事 teach sb.to do sth.教某人做某事 help sb. to do sth.协助某人做某事 三、动词原形作宾补(无to不定式) let sb.do sth让某人做某事 make sb. do sth.使某人做某事 hear sb.do sth.听见某人做某事 see sb.do sth.看见某人做某事 watch sb.do sth.察看某人做某事 feel sb.do sth.觉得某人做某事 notice sb.do sth.留意某人做某事 四、接不定式或动名词作宾语意思不同的动词 (1)remember doing sth.记得曾做过某事(2)forget to do sth忘记要做某事forget doing sth忘记曾做过某事 try doing sth. 试试做某事 stop doing sth.中止正在做的事。 (5)like to do sth.喜欢某事(强调某时刻想做什么) like doing sth.喜欢某事(强调经常做) 五、不定式作主语1.通常位于句首。如: ①To see is to believe.百闻不如一见。 ①To get up early is necessary.早起是必要的。 2.It放在句首作形式主语，真正的主语，即动词不定式(短语)放在后面。 ①It is + adj.+ for /of sb. to do sth. ①It is + n. + for sb. to do sth. ① It takes sb. some time to do sth.如:It's important for us to keep the water clean 如:It is great fun to fly to the moon in a spaceship 六、it 作形式宾语，不定式to do 作真正的宾语find / think I make ! feel +it +adj.+ to do sth. 发现/认为/使得/感觉做某事… 七、不定式作状语 (1)表目的:He went to`the zoo to see the baby panda. (2)结果:adj./ adv+ enough to do sth. He didn't run fast enough to catch the train. too ... to do sth. He was too tired to walk home. (3)表原因:I'm glad to see you. 八、不定式作表语His job is to paint the walls. 九、不定式作后置定语 I have lots of books to read. Would you like something to drink/eat? the best way to do sth 做某事最好的方法 十、疑问词+to do sth. Please show us how to do that. Tom didn’t know where to go.I wonder what to do.

最新人教版八年级英语上册Unit5重点动词加语法小结

最新人教版八年级英语上册Unit5重点动 词加语法小结 本文档总结了最新人教版八年级英语上册Unit5的重点动词和语法知识。 重点动词 1. visit - 拜访 2. invite - 邀请 3. prefer - 更喜欢 4. enjoy - 喜欢 5. hate - 讨厌 6. love - 爱 7. mind - 介意 8. practice - 练 9. skip - 跳过 10. finish - 完成 11. start - 开始 12. stop - 停止

13. want - 想要 14. need - 需要 15. try - 尝试 语法小结 1. 动词不定式 - 结构：to + 动词原形 - 用法：表示目的、原因、结果等 - 例句：I want to visit my grandparents. 2. 现在进行时 - 结构：am/is/are + 动词-ing - 用法：表示现在正在进行的动作 - 例句：She is practicing playing the piano. 3. 情态动词 - 包括：can, could, may, might, must, shall, should, will, would等- 用法：表示能力、允许、可能性、必要性、建议等 - 例句：You should finish your homework. 4. 动词-ing形式 - 结构：动词原形 + -ing

- 用法：作主语、宾语、补语等 - 例句：Swimming is my favorite sport. 5. 动词不定式和动词-ing形式的区别 - 动词不定式表示将来，动词-ing形式表示现在或过去 - 例句：I want to learn swimming. (将来) / I enjoy swimming. (现在) 以上是Unit5的重点动词和语法小结。希望对你的学习有所帮助！

八年级英语上册第五单元语法

八年级英语 Units 5 单元语法非谓语动（固定用法）常见动词不定式词组、句型用法总结 1.动词不定式宾语和宾语补足语 以下动词后常跟不定式作宾语和宾语补足语 want to do sth decide to do sth learn to do sth fail to do sth offer to do sth would like to do sth forget to do sth volunteer to do sth in order to do sth wish sb. to do sth. have to do sth make a decision to do sth, be able to do sth allow sb to do sth tell sb to do sth teach (sb)to do sth encourage(sb)to do sth refuse(sb)to do sth sb need to do sth / sth need doing/agree to do sth plan, to do sth hope to do sth happen to do sth , try to do sth remember to do sth seem to do sth help sb do sth /to do sth get/be ready to do can’ t wait to do can/can’tafford t do be sure to do sth stop to do sth ask sb to do sth show (sb) to do sth invite (sb) to do sth prefer to do sth expect to do sth sth need to be done 2 sb be + adj（表示人心情的词）+ to do sth sb+be +sorry / glad / surprised / pleased / angry / happy / sure /excited/ amazed/relaxed/ lucky/to do sth 3.. too ⋯ to do sth too +adj/adv+ to do sth 4.⋯ .enough to do sth adj/adv+ enough +(for sb )to do sth 5 疑问词 +不定式：how ,when , where, what, which + to do sth 6.固定短语后用动词不定式：

人教版英语八年级上册第五单元单词语法

八年级第五单元 Plan 1.用作动词，计划 plan to do sth.计划、打算做某事 I plan to plant some vegetables in the garden. 我计划在花园种一些蔬菜。 2.用作名词，计划 make a plan to do sth. 计划做某事 make a plan for sth. 为……做计划 plan for sth.为了……的计划 one's plan is to do sth. 某人的计划是做某事 Did you make a plan to go to the Great Wall? 你计划去长城了吗？ It is necessary to make a plan for this course. 有必要给这门课程制定一个计划。 mind作名词，意为“头脑，主意，想法” An idea came into my mind. 我想到了一个主意。 mind作动词时，有以下用法： 1.意为“当心；注意”，后跟名词或从句,也可单独使用。 Mind the step! 小心台阶! 2.意为“介意；在乎”,主要用于疑问句和否定句。 ①作不及物动词。 -Do you mind if I smoke? 如果我抽烟，你介意吗？ -Not at all, please. 一点也不，抽吧。 ②作及物动词,后面通常接名词、代词、v-ing形式、复合结构、从句等。 Would you mind my closing that door? 你介意我关上那扇门吗? 注意：Do (Would) you mind doing sth.?这一句型通常用来表示请他人做某事,常译为“可否请你做某事”或“劳驾你做某事”,多用Would开头,用Do的情况较少。 Would you mind making some room for the patient? 请你给这位病人让点儿地方出来行吗? mind的常用短语： change one's mind 改变主意； have… in (one's) mind在某人心里有……想法； keep… in mind记住； make up one's mind 决心，决定； Would you mind doing sth.?/ Would you mind not doing sth.? 你介意（不）做某事吗？ 一、succeed的用法 succeed 表示“成功”，是不及物动词，不能用于被动语态。

人教版英语八年级上册Unit5(语法全解)：动词不定式

动词不定式全解 不定式作宾语 1) 动词+ 不定式 afford aim appear agree arrange ask be decide bother care choose come dare demand desire determine expect elect endeavor hope fail happen help hesitate learn long mean manage offer ought plan prepare pretend promise refuse seem tend wait wish undertake 举例： The driver failed to see the other car in time. 司机没能及时看见另一辆车。 I happen to know the answer to your question. 我碰巧知道你那道问题的答案。 2）动词+不定式；动词+宾语+不定式 ask, beg, choose, expect , hate, he lp intend like, love, need prefer, prepare, p romise, want, wish… I like to keep everything tidy.我喜欢每件东西都保持整洁。 I like you to keep everything tidy.我喜欢你年使每件东西都保持整洁。 I want to speak to Tom.我想和汤姆谈话。 I want you to speak to Tom.我想让你和汤姆谈话。 3）动词+疑问词+ to decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell Please show us how to do that. 请演示给我们如何去做。 There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有这么多的录音机，我都拿不定主意买哪一种。 注意:疑问词带不定式在句中作成分时，谓语动词用单数。 The question is how to put it into practice. 问题是怎样把它付诸实施。