動詞不定式》（課堂PPT）

1、1動詞不定式動詞不定式2 肯定：肯定： to + V.原原 或者或者 (to)+ V.原原 否定：否定：not/never + (to) + V.原原 He likes to read novels. I saw him come. We decided not to buy that house.4) It is interesting to fly a kite. 5) Please let him not go there. 動詞不定式的結構動詞不定式的結構3作主語作主語To hear your voice is so nice.To study hard is very importa

2、nt.It is so nice to hear your voice.It is very important to study hard.不定式作主語時，通常用it作形式主語，把真正的主語放在后面。注意注意:1、It is +adj. for/ of sb. to do sth.不定式做主語不定式做主語 謂語動詞用單數(shù)謂語動詞用單數(shù)4It +be + adj. +for/of sb. to do sth. for: adj.多為描述不定式行為的特征多為描述不定式行為的特征 （important/ necessary / interesting 等等.）of: adj. 多為多為 描述主語的

3、品質特征描述主語的品質特征 （kind / nice / friendly / wise / foolish 等等.） 作主語作主語It is easy _ her to learn English well.It is clever _ you to solve the problem.offor52、It takes sb. some time to do sth. It takes me three hours to finish the homework every day. 作主語作主語我每天花去三個小時完成家庭作業(yè)。I spend three hours finishing the

4、 homework every day.63、It is + n. (for sb) to do sth. It is my pleasure to help you with your English. 作主語作主語74 4、用在諺語中、用在諺語中 To see is to believe. To say is easy, but to do is hard.作主語作主語81、It is necessary _us to learn to wait. (of/for)2、It was careless _me to break the cup . （of/for)3、It took them

5、 1,000 yuan _this table. (buy)4、It is my pleasure _ the box for you. (carry)to buyforofto carry練習練習95、輪到我們打掃教室了。、輪到我們打掃教室了。 It is our turn_6、To waste time is to shorten life. （翻譯成中文）（翻譯成中文） to clean the classroom.浪費時間就是縮短生命。浪費時間就是縮短生命。練習練習101 1、動詞、動詞+ to do sth.常用動詞有：常用動詞有：want / wish / like / would

6、 like / hope / plan / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fail/ manage/ promise等等 1、I hope to finish it tomorrow . 2、She plans to go and teach in the country. 作賓語作賓語決定決定 學習學習 (有有) 希望，希望， 設法設法 拒絕拒絕 想想 假裝假裝主動主動 答應答應 選選 計劃，計劃， 同意同意 請求請求 幫一幫幫一幫112 2、

7、動詞疑問詞、動詞疑問詞+to do I dont know_ next. She cant decide_. 作賓語作賓語 2、她不能決定買哪本書。 1、我不知道接下來該做什么。what to dowhich book to buy=She cant decide which book she should buy.123 3、主語、主語+ +謂語謂語+it+ adj./n. +to do+it+ adj./n. +to do作賓語作賓語常見的謂語動詞：常見的謂語動詞： find, think, consider, feel, make等等The dusty air makes it diff

8、icult to get a clear picture of space. 大氣中的塵埃使人難以獲取太空的清晰圖像。我認為學好英語很重要I think it important to learn English well.131、Dont forget _.(關燈關燈)2、I happened _when he called me. （出去）（出去）3、I dont want_. (依賴別人）依賴別人）4、Sam is learning_. (怎樣開車）怎樣開車）5、We promise _ the environment.(保護保護)to turn off the lightto go o

9、utto depend on othershow to drive a car練習練習to protect141、動詞動詞 + 賓語（賓語（sb./sth.) + to do sth.作賓補作賓補- -對賓語進行補充說明對賓語進行補充說明 She asked me to help her.The teacher told him to come on time.Edisons mother taught him to read and write. 常用的動詞有：常用的動詞有：ask, allow, advise, want tell, order, teach, expect等等15動詞多為

10、感官動詞、使動詞。動詞多為感官動詞、使動詞。一感：feel二聽：hear, listen to三使：make, let, have四看：see, notice, watch, look atJohns mother makes him play the piano every day. 變被動時 是省略的不定式符號 to要還原回來：hear sb do sb be heard to do sthJohn _ play the piano every day.is made to2、動詞、動詞+賓語賓語+不帶不帶to的不定式的不定式注意注意:161、Let him _ the work at o

11、nce. (finish / to finish)2、Do you like listening to other people_? (talk / talking/to talk ) 3、Jim was seen _the room. (enter /to enter )4、Please tell her _here on time . (come / to come)finishtalkto enterto come練習練習175、Ill help you _this problem. (to solve /solve )6、 I wish you will stay with us.(改

12、成簡單句）改成簡單句）7、Her story made us laugh. (改成被動句）改成被動句）(to ) solveI wish you to stay with us.We were made to laugh by her story.181、主語、主語 + be + to do sth 主語多為主語多為 duty / wish / hope / idea / plan / ambition/ dream / work / job 等等 名詞名詞 1、My ambition is to be a singer. 2、His work is to clean the classroo

13、m every day.作表語作表語我的夢想是成為一名歌手。他的工作是每天清掃教室。192 2、諺語中、諺語中1、To know everything is to know nothing.2、To see is to believe.20放在被修飾詞的后面放在被修飾詞的后面I have a lot of work to do. I want to find something to drink.作定語作定語不定式為不及物動詞時后面應有必要的不定式為不及物動詞時后面應有必要的介詞介詞。Im looking for a hotel _.A. stay B. stay at C. to stay

14、D. to stay atD位置位置：21He hasnt got a house to liveI have no pens to write _.in withHe bought a toy to play with.221、原因狀語、原因狀語: 主語主語 + be + adj.(表情感表情感) + to do sth. (happy/ glad angry / sorry / sad /afraid 等等)Im sorry to hear that.作狀語作狀語Im glad to see you. 232 2、目的狀語、目的狀語 The soldier ran into the roo

15、m to save the girl .Tom went to the airport _(去接他的爺爺)to meet his grandpa243 3、結果狀語、結果狀語 too + adj./adv. +to do sth.adj./adv. enough to do sth.You are too young to do this job. He ran fast enough to catch the bus. 25動詞不定式可以充當?shù)木渥映煞謩釉~不定式可以充當?shù)木渥映煞?、作主語、作主語2、作賓語、作賓語3、作賓語補足語、作賓語補足語4、作表語、作表語5、作定語、作定語6、作狀語、

16、作狀語26All I did was to give him some advice . His dream is to travel all over the world. Lucy needs a friend to play with . He was the last guest to arrive . Its interesting to read a science fiction . 下列不定式作何種成分？下列不定式作何種成分？（表語）（表語）（表語）（表語）（定語）（定語）（定語）（定語）（主語）（主語）27He was glad to see you. My father o

17、ffered to buy a computer for me. He interviewed detective Ken to get some information . The doctor asked him to have more fruit and vegetables.（狀語）（狀語）（賓語）（賓語）（狀語）（狀語）（賓語補足語）（賓語補足語）下列不定式作何種成分？下列不定式作何種成分？281、習慣于be used to _ 被用于be used to _Water is used to _ (put) out fires.I am used to _ (take) a wal

18、k after supper.2、prefer to 比起來更喜歡 比起游泳來，我更喜歡跑步。I prefer _ to _.3、look forward to 期待，盼望Im looking forward to _ (visit) Beijing again.介詞介詞 to 與與不定式不定式 to 的區(qū)別的區(qū)別puttakingrunning swimmingvisitingdodoingExercises1. - Youve done very well this time. - Its really kind _.A. for you to say so B. for you sayi

19、ng soC. of you to say so D. of you saying so2. It is better to lose ones life than _.A. if you lose your spiritB. losing his spiritC. to lose ones spiritD. your spirit getting lostCC3. I cant work in this way. - Why not _ it in some other way?A. try to doB. try doingC. trying to doD. trying doing4. Since you find it difficult _ a deci