非谓语---不定式(公开课)

1、(非谓语的时态和语态),不定式,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 doing,to have done,试比较下列句子,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 g

2、o 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.,动词不定式的时态(2),谓语动作发生时，不定式动作正在进行，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

3、me in the leg.,Practice,Li Hua pretended_when his mother came into the room.,The little boy happened_when someone knocked at the door.,考点一非谓语动词作主语,2.To see you is very glad. 3.It is impossible for him to give up smoking.,主语,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)，e

4、xpect(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 afford to go on vacation this year. 今年我们没钱去度假。,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)

5、不要假装在选择(pretend，choose),3.He likes swimming. 4.She decides to sleep,宾语,B.不定式短语作宾语时，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it作形式宾语。句型为“主语+find (feel, think, believe, consider, etc) +it+形容词/名词+to do sth”。 I think it necessary to report the thing to the teacher. I find it interesting to work with him.,考点三非谓语动词作表语

6、 作表语的可以是不定式、动名词、现在分词和过去分词。,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,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。,4作宾语补足语 【注意】在感官动词（see, hear, feel, listen to , notice, watch, observe等）和使役动词（let, have， make ）后的补足语中，不定式不带to。但这类句子变成被动语态时，必须带to。get 除

7、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,考点五非谓语动词作定语,9.He was the first student to get toschool,定语,10.He has a nice pen to write with.,11.He is lookin

8、g for a room to live in.,12.He is said the best way to travel by is on foot.,考点六非谓语动词作状语,不定式作结果状语常用如下句型,Too + 形容词/副词 + to do sth 名词/ 形容词/副词 + enough + to do sth enough+名词 +to do sth such +（形容词）名词 +as to do sth so + 形容词/副词 + as to do sth 【注意】不定式作状语，其逻辑主语与句子的主语必须一致。,12.He works day and night to raise

9、his family 13. Im very glad to hear the news. （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,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._（run ）everyday is very good for our h

10、ealth 3.Try to avoid _(make) the same mistakes in exam 4.We still have some difficulty _(recite) words 5.He manged_ (escape) from the fire 6.We felt _(excite )after hearing the goo news 7.The student _(select) from our class is going to have a show 8._(offer) a job in a big company,I am so happy 9._(offer )a job tome in a big company,the boss is so nice 10.I am so sorry to keep you _(w