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考点三：V-ing形式的固定搭配 　　 　　V-ing形式常常用于下列固定搭配中： 　　 　　be busy (in) doing sth. (忙于做某事)， 　　 　　spend some time (in) doing sth(花费时间做某事)， 　　 　　stop / prevent sb. from doing sth(阻止某人做某事)， 　　 　　feel like doing sth.(意欲做某事)， 　　 　　can't help doing sth.(禁不住做某事)， 　　 　　have fun doing sth.(很高兴做某事)， 　　 　　have difficulty (in) doing sth. (做某事有困难) 　　 　　例如： 　　 　　She couldn't help crying when she heard the news. 她听到这个消息时忍不住哭了起来。 　　 　　I don't feel like eating anything at the moment. 现在我不想吃东西。 　　 　　We are busy preparing for the final exam. 我们正忙于准备期末考试。 　　 　　Nobody can stop us from going there. 谁也不能阻止我们去那里。 　　 　　【典型试题】 　　 　　1. We must do something to stop people from_________. (陕西) 　　 　　A. to throw litter about 　　 　　B. to throw litter into 　　 　　C. throwing litter about 　　 　　D. throwing litter into 　　 　　2. -What are you busy_________these days? 　　 　　-Nothing much. (厦门) 　　 　　A. do B. doing C. to do D. done 　　 　　3. It was very late. She stopped the children from_________TV. (潍坊) 　　 　　A. watches B. to watch　C. watched D. watching 　　 　　4. He has caught a bad cold, and he doesn't feel like_________. (2002 泰州) 　　 　　A. to eat B. eating C. eats D. ate 　　 　　5. Now more and more people are busy_________ about the Internet. (2002 漳州) 　　 　　A. learn B. to learn　C. learning D. learned 　　 　　考点四：V-ing形式与不定式的区别 　　 　　(一)stop, go on后接V-ing形式与不定式时的区别 　　 　　在stop, go on后可接V-ing形式，也可接动词不定式，但意义差别很大。stop doing sth.表示"停止做某事"，V-ing形式作stop的宾语;stop to do sth.表示"停下来去做另一件事"，不定式是stop的目的状语。go on doing sth.表示"继续做同一件事"，go on to do sth.表示"接着做另一件事"。例如： 　　 　　The doctor told him to stop smoking. 医生要他戒烟。 　　 　　He stopped to smoke a cigarette. 他停下来抽烟。 　　 　　He went on studying and finally received his doctor's degree. 他继续学习，最后取得了博士学位。 　　 　　After reading the text, he went on to do his homework. 读完课文后，他接着做作业。 　　 　　【典型试题】 　　 　　1. If you don't feel well, you may just_________. (河北) 　　 　　A. stopped reading B. stop reading 　　 　　C. stopped to read D. stop to read 　　 　　2. Stop_________so much noise!My father is sleeping. (烟台) 　　 　　A. to make B. making　C. to hear D. hearing 　　 　　3. -Let's have a rest, shall we? 　　 　　-Not now. I don't want to stop_________the letter yet. 黄冈) 　　 　　A. write B. to write　C. writing D. and write 　　 　　4. Mr. Brown asked us to stop_________, and we stopped ______ to him at once. (2002 苏州) 　　 　　A. talking; to listen B. to talk; to listen 　　 　　C. talking; listening D. talk; listen 　　 　　(二)V-ing形式与动词不定式作宾语补足语时的区别 　　 　　在see, watch, notice, hear, feel等动词后，既可用V-ing形式作宾语补足语，也可用不定式作宾语补足语，但在用法上有区别。用V-ing作宾语补足语，表示动作正在进行，即动作处于发生的过程中，还没有结束;用不定式作宾语补足语，表示动作发生了，即动作全过程结束了。例如： 　　 　　I saw the girl getting on the bus. 我看见那个女孩在上公共汽车。 　　 　　I saw the girl get on the bus and left. 我看见那个女孩上了公共汽车走了。 　　 　　Do you hear her singing an English song? 她在唱一首英语歌曲，你听见了吗? 　　 　　I heard her sing an English song. 我听到她唱了一首英语歌曲。 　　 　　【典型试题】 　　 　　1. -Tom, have you seen your brother? 　　 　　-Oh. I saw him_________basketball on the playground on my way home.(威海) 　　 　　A. play B. plays C. playing　D. played 　　 　　2. When I was walking in the street, I saw a plane_________over my head.(福州) 　　 　　A. flies B. flying C. flew D. to fly

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