like/enjoy/prefer, keep, practice, go, finish,get used to; have problem/difficulty/fun doing, be worth doing, spend doing, be busy doing, look forward to doing, make a contribution to doing, mind, avoid ，stop喜歡的話，就保持練習去完成它，它雖然難但還是很有趣，它值得你花費時間為它忙碌，我期待你為它作出貢獻，難免介意，避免停止它！toto + 動詞原形動詞原形 He wanted to be an inventor. Tell her to turn it down. (object) (object complement) ( vt.)(vt.) They have a little food to eat. To see is to believe. He came to see me. (attribute) (adverbial) (subject) (vi.)To dance is a lot of fun. It is a lot of fun to dance.(subject)It is dangerous to play with fire.To play with fire is dangerous. To grow trees is very important. It is very important to grow trees.a. 不定式用作不定式用作 To play with pets is interesting. ( It is interesting to play with pets. ) To do the job well is not easy. ( It is not easy to do the job well. ) 您能幫助我，真是太好了。您能幫助我，真是太好了。 It is very kind of you to help me. = You are very kind to help me. 你做那樣的事是對的。 It is right of you to do that. = You are right to do that. 對他來說，說聲再見是最明對他來說，說聲再見是最明智不過了。智不過了。 It was clever of him to say good-bye. 對他來說，說英語很容易。對他來說，說英語很容易。 It is easy for me to speak English. 對我們來說，努力學習是必對我們來說，努力學習是必 要的。要的。It is necessary for us to study hard. b. be My dream is to be a doctor. His task is to find out the cost to travel by train及物動詞賓語 They began to read and write. He likes to play soccer. I found it important to learn English.want, hope, wish, like, begin, start, try, need, forget, agree, know, learn, refuse, help, etc. What do you want to be when you grow up? Would you like to go with us? I hope to do it myself.() I hope you to do it your-self. 我知道如何煮。我知道如何煮。 I know how to cook. 我不知道要買什么東西我不知道要買什么東西給你。給你。 I dont know what to buy for you. 他告訴我如何使用計算機。 He told me how to use the computer. 你能告訴我走哪條路嗎？Can you tell me which way to go? d. She asked me to speak more loudly. Lucy told him not to cry. Tell her to turn it down. 感官動詞感官動詞 see , watch, 使役動詞使役動詞 look at, hear, listen to, feelmake, have, let make sb / sth do sth. 我看到她正表演芭蕾。我看到她正表演芭蕾。 I often saw her perform ballet. 老板迫使他工作了一整夜老板迫使他工作了一整夜. The boss made him work the whole night. help sb to do sth. help sb do sth help sb with sth幫助某人做某事 I often help him (to) clean the room. Tom came to see me last night. Later he left home to work in different cities. I am glad to be there. I am sorry to trouble you. I am happy to come here. I have a lot of work to do. Have you got something to say? They have little food to eat.They were the first to come to China.I have some books to give you. They have a lot of things to talk about. He is looking for a room to live in. There is nothing to worry about.v 不定式是不定式是vi, 后面應有必要后面應有必要 的的介詞介詞。v something + to do She has nothing to say. I want something to eat. Would you like something to drink? Is there anything to eat?v something + adj. + to do Give something hot to drink. I need something nice to wear to the party next month. Do you have anything cold to drink? 我太累了，難于入睡。我太累了，難于入睡。 小男孩嚇得一步也動不了。小男孩嚇得一步也動不了。 The boy was too frightened to move. I was too tired to sleep.adj. / adv 太太(以致以致) 不能不能(做做) sb sth 這箱子太沉了這箱子太沉了,他抬不起來他抬不起來. The box is too heavy for him to lift. The box is so heavy that he cant life it. 李明太激動了，一句話也李明太激動了，一句話也說不出來。說不出來。 Li Ming was too excited to say a word. Li Ming was so excited that he couldnt say a word. 十分（足夠）十分（足夠） 他很富有，可以買輛小汽車。他很富有，可以買輛小汽車。He is rich enough to buy a car.He is so rich that he can buy a car. 她跑得夠快了，完全可以第她跑得夠快了，完全可以第一個到達。一個到達。 She runs fast enough to get there first. She runs so fast that she can get there first.單項選擇單項選擇 Tell him _ the window. A. shut B. not to shut C. to not shut D. not shut B I dont know _ next. A. what to do B. to do what C. which to do D. how to do A It is very important _ us _ it. A. to, to remember B. for, to remember C. for, remembering D. to, remembering B It took us more than two hours _ the dinner. A. prepare B. preparing C. to prepare D. be prepared C There is going to _ an im-portant meeting tomorrow. Please try _ late. A. have / not to be B. have / not be C. be / not to be D. be / not beC At last, he decided _ his mother to the hospital. A. take B. took C. to take D. taking CThe news made us _ sad. A. feeling B. to feel C. feel D. felt C Its time for Meimei and _ to work. A. me to go B. I to go C. me going D. I going A Would you like _ for me? A. to make a kite B. make a kite C. making a kite A My mother always tells me _ there. A. not go B. not to go C. go D. dont go B Mother is ill. Wed better _ her to the hospital. A. to take B. taking C. take D. takes CIts very nice _ you to say so. A. for B. of C. to D. in B Is there _ in todays newspaper? A. anything important B. something important C. nothing important A What about _ fishing to-morrow? A. to go B. go C. going D. went C Only one can have an apple, _ you _ Mary. A. both, and B. not, but C. neither, nor D. either, orD The population of Shanghai is larger than _ of Wuhan. A. these B. this C. that D. those C Would you get some chalk for me? _. A. Yes, please B. Why not C. With pleasure C I dont know _. A. how to say B. what to say C. to say how D. to say what B What about something _? A. drinks B. drink C. drinking D. to drink D He was _ clever _ he passed the exam easily. A. too, to B. / , enough C. so, that D. such that C The girl wanted to know _ English. A. learning B. how to learn C. to learn D. how learn B Mother told me _ in bed. A. not read B. not reading C. dont read D. not to read D Will you please _ me what _ next? A. to tell, to do B. telling, do C. tell, to do D. to telling, be done C Let me _ you _the flowers. A. help,water B. to help, to water C. help, wateringA Lucy, could you please help me _ the map on the blackboard? A. put into B. put up C. put out D. put on B Ive never been to Beijing _. A. before B. ago C. yet D. everA There is going to _ a foot-ball match in our school nest Sunday. A. have B. hold C. be D. hasC