不定式to用法詳解和練習

1、Infinitive 動詞不定式動詞不定式 主語主語1.To be here at Christmas time is my dream.2. To go abroad is his dream.3. To say is easy, while to do is difficult.（這時可將其用形式主語（這時可將其用形式主語it來替換）來替換）It is my dream to be here at Christmas time.It is his dream to go abroad.It is easy to say, while it is difficult to do.賓語賓語 I

2、 want to buy a computer.She hopes to find a better job.I wish to go with you.Do you think it better not to go ?形式賓語形式賓語真正賓語真正賓語表語表語His work is to feed the animals.Her job is to look after the patients.My dream is to be a artisit.賓語補足語賓語補足語She asked me to help her.The teacher told him to come on time

3、.Edisons mother taught him to read and write. want sb to dowish sb to do get sb to dorequire sb to do find sb to be help sb to do作賓語補足語不帶作賓語補足語不帶to 的情況的情況:感官動詞、使動詞后面的感官動詞、使動詞后面的 to 常省常省略，但是被動語態(tài)中的略，但是被動語態(tài)中的 to 不能省略不能省略Let me do it.I saw him sing in the classroom.常見動詞有：常見動詞有：有些動詞后面做賓補的不定式有些動詞后面做賓補的不定式

4、不帶不帶toto，如，如hear（一（一聽）聽） see, watch, （兩看）（兩看）make, have, let（三讓（三讓） 例如：例如： I watch her sing in the next room. I heard her sing in the next room.定語定語Give me something to drink.I have two books to read.They have much food to eat.He asked for a room to live in.I dont have a pen to write with.The ice is

5、 hard enough to skate on.He bought a toy to play with.狀語狀語(adverbial)He came to show me his new CD player.I went there to see my teacher. She came back to get her English book.The boy was too frightened to move.(目的目的)(目的目的)(目的目的)（結(jié)果）（結(jié)果）He arrived so late to find the train leave.（結(jié)果）（結(jié)果）疑問詞疑問詞who, w

6、hat, which, where, when, how加加to do可構(gòu)成不定式短語，在句中可用作主語、可構(gòu)成不定式短語，在句中可用作主語、賓語、賓語補足語、表語等。賓語、賓語補足語、表語等。When to leave has not been decided.I dont know what to do.He can tell you where to go.The question is who(m) to ask.(主語主語)(賓語賓語)(賓語補足語賓語補足語)(表語表語)不定式的其他用法你決定穿什么參加去參加面試了嗎？你決定穿什么參加去參加面試了嗎？Have you decided

7、what to wear to the interview?沒人告訴我在哪買票。沒人告訴我在哪買票。Nobody told me where to buy the ticket.It takes you ten minutes to get there.I hope to see him soon.His wish is to become an artist.People eat to live, but not live to eat.I have a lot to tell you.Its not right to be thinking of oneself.We often see

8、him play football.定語定語主語主語狀語狀語表語表語賓語賓語主語主語賓語補足語賓語補足語Pick out the infinitives and tell their functions.8. He pretended to read attentively when I came in. 9. It is of great help for us to learn English well.10.I didnt expect Mary to invite me to her birthday party.11.She listens to news every day so

9、as to find out whats going on.12.The car to be bought is for his sisters.13.The important thing in life is to have a great aim, and the determination to attain it.( 賓語）賓語）( 主語）主語）( 賓補）賓補）( 狀語）狀語）( 定語）定語）( 表語）表語）特殊的動詞特殊的動詞1). 只能后接動詞-ing 形式作賓語的動詞, 常見的有：suggest建議 practice練習 finish完成 keep保持cant help 情不自禁 mind介意 give up 放棄enjoy喜歡2）只能接不定式作賓語的動詞，常見的有decide決定 refus拒絕 promise承諾 afford能夠agree同意 hope希望 stop to do sth 停下來做 stop doing sth 停止做 forget to do sth 忘記要做 forget doing sth 忘記做過 remember to do sth 記得要做 remember doing sth 記得做過 try to do sth 盡力去做 try do