1、SupermanMr to doMr. to doThe InfinitiveTo see is to believe!眼見為實。Warming-up: Guess the meaning of the proverbs:To save time is to lengthen life!節(jié)約時間就是延長生命！One is never too old to learn!活到老，學(xué)到老。Not to advance is to go back! 不進則退！can you work out the rules1. One is never too old to learn！2. To see is

2、to believe！3. To save time is to lengthen life!4. Not to advance is to go back！ 構(gòu)成? to + V原 not to + V原肯定:否定:二、定義 動詞不定式是非謂語動詞的一種，它沒有_和_的變化，在句子中不能獨立作_，但具有名詞、形容詞和副詞等的功能，可在句中用做多種_。人稱 數(shù)謂語句子成分三、 用法It is necessary for us to work hardto work hard is necessary for us不定式作主語How many ways do you know to learn

3、English well?It is +adj for sb to do sth To do sth is adj for sb難點突破1. 對我們來說，努力學(xué)習(xí)是必要的。2. 你那樣做很有禮貌。Its necessary for us to study hard. Its very polite of you to do that.good, kind, nice, rude, clever, right, silly, brave, selfish easy, hard, difficult, important, possible, necessary描述人的性格、品質(zhì)的形容詞描述事物特

4、征的形容詞用of用forMy dream is toInterview your friendsmy dream is not to buy a big house.My wish is to visit Sanya.不定式作表語常放在_動詞之后。be2. 作表語否定:not to doTalk about your vacation planswant planwould like hope expect prefer decidetoI Name Vacation planStudent1Student2Student31) I want to read more books.2) I h

5、ope to visit Sanya.3) I wish to go with you.你還學(xué)過哪些可以接不定式作賓語的動詞？3.作賓語 (v.+ to do )想做某事愿意做某事希望做某事決定做某事需要做某事同意做某事計劃做某事學(xué)會做某事主動提出做某事want to dowould like to dohope to do / wish to dodecide to doneed to doagree to doplan to dolearn to dooffer to do有些詞既可接動詞不定式又可接動名詞，但含義不同，你認識它們嗎？ 注意1：含義不同： remember to do st

6、h. remember doing sth. forget to do sth. forget doing sth. stop to do sth. stop doing sth. go on to do sth. go on doing sth need to do sth. need doing sth. try to do sth. tryth doing s.記得要做某事記得做過某事忘記要做某事忘記曾經(jīng)做過某事停下來去做另一件事停止做某事繼續(xù)做另一件事情繼續(xù)做同一件事情需要做某事需要被做盡力去做某事嘗試去做某事難點突破：別忘了離開時把燈關(guān)了。Dont forget _before le

7、aving.2. 父親必須戒煙了。Father must stop_.3. 他看完電視后，繼續(xù)看了一會書。After he watched TV, he went on_ books for a while.to turn off the lightssmokingto readsb. think / find + it+ adj. + to do 注意2 she finds it necessary to talk to him again. .不定式作賓語時，如帶有賓語補足語，則用it作形式賓語She thinks it important to learn English 難點突破：1.

8、 他認為學(xué)好電腦是有用的。2. 我發(fā)現(xiàn)要讓她停止哭是很難的。He thinks _.I found _it useful to learn computer wellit difficult to make her stop crying. 4.作賓語補足語Our parents wish us to have a brighter future Our teachers expect us to go to a better senior high school 此類動詞還有哪些？想要某人做 希望某人做允許某人做 建議某人做鼓勵某人做 幫助某人做喜歡某人做want sb. to dowish

9、/hope ?sb. to doallow sb. to doadvise sb. to doencourage sb. to dohelp sb. (to) dowould like sb. to do 他的父母想要他不要跟壞孩子玩 His parents want him _ (play) with bad boys 老師讓學(xué)生們上學(xué)不要遲到。 The teachers ask students_ ( be) late for school. not to benot to play not to+ V原否定：?？茧y點：1）Let me do it.2）I saw him cross th

10、e street.上述動詞接不定式省略了_？to作賓語補足語不帶to的動詞有？感：feel聽：hear, listen to讓：let, make, have看: see, watch, notice，look at如：老板讓工人們整天都工作。The boss made the workers_all day.但這些詞在被動語態(tài)里要還原to如：I saw him play football yesterday.He was seen _football yesterday.workto play昨天我看見他踢足球。比較：1）I heard her sing in the next room.

11、2）I heard her singing in the next room. 感官動詞后既可跟不帶to的不定式 作賓補，也可跟動名詞作賓補，前者表示動作的全部過程已結(jié)束；后者表示動作正在進行。以上兩句有什么不同？難點突破:1.John was made the car for a week as a punishment A. to wash B. washing C. wash 2. I heard her at 8:00 yesterday. A. sing B. singing C. sang 3. You mustnt let him too much TV. A. watch B.

12、 to watch C. watchingABASummaryThe Infinitive Structureto do not to doDefinition沒有人稱和數(shù)的變化不能獨立做謂語可在句中用作多種成分Function主語（Subject）賓語（Object）賓補（Object complement）表語（Predicative）名詞（n.） I am a student of Grade Nine. It is important for us _(work)hard.My dream is _(be) a translator. while my parents want me _ (be) a teacher.In order _ (achieve)my dream,I watch English TV programs every day _ (practice) my pronunciation.Fill in the blanks to work to beto beto achieveto practice _(say) is one thing,to do is another(說起來容易，做起來難）.Every day I have a lot of homework _ (do),I feel stressed out,but I