非谓语不定式公开课.pptx

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1、非谓语动词形式不定式一般式：to do/to be done进行式：to be doing完成式：to have done/to have been done否定式：不定式to前加not第1页/共27页不定式第2页/共27页I began to look at hunting differently in November 1989.I happened to be walking in the forest when a deer hunter shot me in the leg.I was sorry to have killed so many animals.to do to be

2、doingto have done试比较下列句子第3页/共27页动词不定式的时态动词不定式的时态(1)动词不定式与谓语动作同时发生或不定式后发生，动词不定式用一般时态。They invited us to go there next week.I have a lot of work to do.动词不定式先于谓语动作发生，动词不定式用完成时态。Hes said to have been to America for 8years.Im sorry not to have come on Wednesday.第4页/共27页动词不定式的时态动词不定式的时态(2)谓语动作发生时，不定式动作正在进

3、行，动词不定式用进行时态。Theyre said to be building a bridge.I happened to be walking in the forest when a deer hunter shot me in the leg.第5页/共27页Li Hua pretended_when his mother came into the room.The little boy happened_when someone knocked at the door.第6页/共27页考点一非谓语动词作主语非谓语动词用法不定式往往表示一次性的、具体的动作常用it作形式主语，而把不定

4、式后置第7页/共27页 2.To see you is very glad.3.It is impossible for him to give up smoking.主语第8页/共27页考点二非谓语动词作宾语1常接动词不定式作宾语的动词afford(负担得起)，agree(同意)，decide(决定)，determine(决定)，expect(期望)，hope(希望)，manage(设法)，refuse(拒绝)，want(想要)，wish(希望)，offer(提供)，pretend(假装)，promise(许诺)，choose(选择)，fail(失败)，long(渴望)等。We cant a

5、fford to go on vacation this year.今年我们没钱去度假。第9页/共27页名师点津：口诀助记通常只能接不定式作宾语的动词：三个希望两答应(hope，wish,want，agree，promise)两个要求莫拒绝(demand，ask，refuse)设法学会做决定(manage，learn，decide)不要假装在选择(pretend，choose)第10页/共27页第11页/共27页第12页/共27页3.He likes swimming.4.She decides to sleep宾语第13页/共27页B.不定式短语作宾语时，如果还带有宾语补足不定式短语作宾语时

6、，如果还带有宾语补足语，往往把不定式短语放在宾补之后，而用语，往往把不定式短语放在宾补之后，而用it作形式宾语。句型为作形式宾语。句型为“主语主语+find(feel,think,believe,consider,etc)+it+形容词形容词/名词名词+to do sth”。I think it necessary to report the thing to the teacher.I find it interesting to work with him.第14页/共27页考点三非谓语动词作表语作表语的可以是不定式、动名词、现在分词和过去分词。非谓语动词用法不定式表示某一特定行为，尤其是

7、将来的或有待实现的行为第15页/共27页5.The task is to be finished by next month.这项工作要在下个月才能完成。6.My dream is to travel around the world表语第16页/共27页考点四非谓语动词作宾语补足语作补语的可以是不定式、现在分词和过去分词。非谓语动词用法不定式表示动作的全过程或经常性、反复性第17页/共27页4 4作宾语补足语作宾语补足语【注意注意】在感官动词（在感官动词（see,hear,feel,listen to,notice,watch,observe等）和使役动词（等）和使役动词（let,have，

8、make）后的补足语中，不定式不带）后的补足语中，不定式不带to。但这类句。但这类句子变成被动语态时，必须带子变成被动语态时，必须带to。get 除外。除外。I saw him play in the park.He was seen to play in the park.The boss made those men work day and night.Those men were made to work day and night.she got me to buy the takeout yesterday第18页/共27页第19页/共27页考点五非谓语动词作定语非谓语动词用法不定

9、式一般位于被修饰词之后，表示发生在谓语动词之后的动作，若表示已经发生的动作，名词前多用形容词、分词、序数词等修饰第20页/共27页9.He was the first student to get toschool定语10.He has a nice pen to write with.11.He is looking for a room to live in.12.He is said the best way to travel by is on foot.第21页/共27页考点六非谓语动词作状语非谓语动词功能用法不定式原因状语多用在某些表示喜、怒、哀、乐等的形容词后目的状语可与so a

10、s to/in order to替换，但so as to一般不可置于句首结果状语常表示意想不到的结果，常用only to do第22页/共27页不定式作结果状语常用如下句型不定式作结果状语常用如下句型 Too+形容词形容词/副词副词+to do sth 名词名词/形容词形容词/副词副词+enough+to do sth enough+名词名词+to do sth such+（形容词）名词（形容词）名词+as to do sth so+形容词形容词/副词副词+as to do sth【注意注意】不定式作状语，其逻辑主语与句子的主语必须一致。不定式作状语，其逻辑主语与句子的主语必须一致。第23页/

11、共27页12.He works day and night to raise his family13.Im very glad to hear the news.（原因（原因)14.The question is difficult to answer.15.He got up early so as not to be late.16.He hurried up to the station only to find the train had left状语第24页/共27页二练习请用所给动词的适当形式填空1.It is no _(use)without taking action。2._

12、（run）everyday is very good for our health3.Try to avoid _(make)the same mistakes in exam4.We still have some difficulty _(recite)words5.He manged_(escape)from the fire6.WeWe felt _(excite)after hearing the goo news7.The student _(select)from our class is going to have a show8._(offer)a job in a big company,I am so happy9._(offer)a job tome in a big company,the boss is so nice10.I am so sorry to keep you _(wait)for so long time11.He had his leg _(break)when he got off the bus.usingRuningmakingrecitingto escapeexcitedselectedOfferedOfferingwaitingbroken第25页/共27页第26页/共27页感谢您的观看！第27页/共27页