《动词不定式》PPT课件.ppt

,动词不定式 动词不定式的基本形式是“to+动词原形“, 有时可以不带to.动词不定式没有人称和数的变化, 在句子中不能作谓语。在句中可以作主语、表语、宾语、宾语补足语、定语和状语。,不定式的形式,用法： 1. 用作宾语 (v. + to do ) I want to buy a computer.,need to do learn to do agree to do plan to do decide to do refuse to do begin to do start to do try to do forget to do remember to do like to do Stop to do go on to do,1. He wants _ some vegetables. A. buy B. buying C. to buy D. buys (山西省) 2. Dont forget _ your homework with you when you come to school. A. to bring B. bringing C. to take D. taking (福建省) 3. He found it very difficult _. A. sleeping B. sleepsC. slept D. to fall asleep (湖南省),e.g. I found it very important to learn English well. I feel it my duty to do so.,think, make, find, feel,+ it + adj. / n + to do sth.,2. 用作宾语补足语：(v. + sb. + to do ),She asked me to help her. want sb. to do wish sb. to do get sb. to do order sb. to do find sb. to be like sb. to do would like sb. to do help sb. to do,1. Robert often asks us _ his Chinese, so his Chinese is much better than before. A. help him B. to help him with C. to help with D. helps him with (江苏省) 2. Mr Li often teaches his Japanese friends _ Chinese food. A. cook B. cooks C. to cook D. cooked (甘肃省),作宾语补足语不带to 的情况：,Let me do it. I saw him cross the street. 常见动词有： 使役动词: let, make, have 感官动词: see, watch, hear, feel, listen to 注意：感官动词即可接to do,又可接doing,用不定式表示动作的全过程(动作已结束)，用动词的-ing形式表示动作正在进行(动作尚未结束)。,1. We saw him _ the building and go upstairs. A. to enter B. enter C. entering D. entered (河南省) 2. So much work usually makes them _ very tired. A. to feel B. feels C. feeling D. feel (吉林省) 3. Your father is sleeping. Youd better _. A. not wake up him B. not to wake up him C. not wake him up D. not to wake him up (陕西省) 4. I was made _ my homework in the afternoon. A. do B. doing C. to do D. did (贵州省),5. When I was walking in the street I saw a plane _ over my head. A. flies B. flying C. flew D. to fly (福建省) 6. A woman saw it _ when she was walking past. A. happen B. happens C. happening D. to happen (黑龙江省),3. 用作状语(adverbial)：,go， come， try， do / try ones best等动词或短语动词作谓语时，其后常常可以接不定式作目的状语。 1. She went _ her teacher. A. to see B. looks C. saw D. seeing (江西省) 2. Meimei likes English very much. She does her best _ English well. A. learn B. learning C. to learn D. learns (四川省),be +,happy, glad, pleased angry, sorry, lucky slow, quick, careful ready, nice,+ to do sth.,be +形容词+ to do sth“结构中的不定式作状语，常表示原因或方式。,3. Im sorry _ that. A. hears B. hearing C. hear D. to hear (河北省) 4. Im sorry _ you. A. trouble B. to trouble C. troubling D. troubled (吉林省) 5. My mother was very glad _ her old friend. A. to meet B. meet C. met D. meets (甘肃省),在上述“too +形容词/副词(for sb)to do”(太而不能)和“enough (for sb) to do”(足以、足够做)结构中，不定式作结果状语。 6. The panda is so fat that it cant go through the hole.(改为意思相同的句子) The hole _ _ _ _ such a fat panda to go through. (广东省) 7. The ice on the lake was so thin that people couldnt skate on it. (改为意思相同的句子) The ice on the lake wasnt _ enough _ people _ _ _. (广东省),Give me something to drink. He asked for a room to live in.,4. 用作定语 (这时不定式与被修饰词有动宾关系。若是不及物动词, 介词不能省略),1. Would you like something _? A. drink B. drinking C. to drink D. drinks (湖北省) 2. I have a lot of homework _. A. do B. doing C. did D. to do (河南省) 3. He is not an easy man _. A. get on B. to get on C. get on with D. to get on with (山东省),5.动词不定式作主语 动词不定式作主语时，可以直接放在谓语动词前面的主语位置，也可以用先行词it作形式主语，而将真正的主语(不定式)置于后面。常见的句式有：,Its +,+ ( for + sb. ) + to do sth.,Its +,difficult, hard, easy, possible, impossible important,+ (of + sb.) + to do sth.,clever,wise, kind, good, right, nice wrong, bad, cruel silly, stupid, foolish careful, careless, .,1. Its our duty _ the room every day. A. to clean B. cleaned C. clean D. cleans(甘肃省) 2. Its hard for us _ English well. A. learn B. learns C. to learn D. learning(江西省) 3.建造这座立交桥将花费工人们一年多的时间。 It will _ the workers over a year _ _ the flyover.(北京市海淀区) 4. Its very nice _ you to get me two tickets _ the World Cup. A. for， of B. of， for C. to， for D. of， to(安徽省),6.动词不定式的否定形式 动词不定式的否定形式通常是在不定式符号to的前面加上not，如果是不带to的不定式就直接在动词原形前面加上not.,1. Mr Black asked the man _ the queue. A. not to jump B. to not jump C. didnt jump D. not jump (广西壮族自治区) 2. The old man told the child _ noisy. A. not be B. not to be C. to not be D. be not (湖北省) 3. There is going to _ an important meeting tomorrow. Please try _ late. A. have， not to be B. have， not be C. be， not to be D. be， not be (内蒙古自治区),7.