八年级动词不定式初中英语八年级动词不定式专项练习一、动词不定式的用法否定形式：not + to + 动词原形构成1）作主语常用句型：It is adj. to do sth.To learn English well is not easy. 或It is not easy to learn English well.2）作表语(放在be动词后) My wish is to become a teacher.3）作宾语（①及物动词后）Most of us like to watch football matches.①及物动词后决定想做计划需要同意，能做被用来做的事decide to do sth. 决定做某事want ∕would like to do sth. 想做某事plan to do sth. 计划做某need to do sth. 需要做某事agree to do sth. 同意做某事afford to do 能做某事be used to do 被用来做某事迫不及待下决心做过去常常未能做的事can’t wait to do 迫不及待地要做某事make up one’s mind to do 下决心做某事used to do 过去常常做某事fail to do 未能做某事②特殊疑问词后He doesn’t know how to use the machine. (不定式作宾语) 4）作宾语补足语He told me to be here on time.①带to类请求与命令想要邀请期待鼓励与建议答应告诫允许提醒和帮助want sb. to do sth. 想要某人做某事invite sb. to do sth. 邀请某人做某事expect sb. to do sth. 期待某人做某事encourage sb. to do sth.鼓励某人做某事advise sb. to do sth. 建议某人做某事promise sb. to do 答应某人做某事warn sb. to do sth. 告诫某人做某事allow sb. to do sth. 允许某人做某事remind sb. to do sth. 提醒某人做某事help sb. (to) do sth. 帮助某人做某事②省略to 类make/let/have sb. do sth. 使/让某人做某事see/watch/hear/notice sb. do sth.注意两种用法得区分：see sb. doing/ do sth. hear sb. doing/ do sth.watch sb. doing/ do sth. notice sb. doing/ do sth.had better （not）do sth. 最好(不)做…help s b.（to）do sth why not /why don’t you do sth.为什么不做…? 表达向某人提出建议Would rather do sth.?宁愿做…Would you please do sth.?5）作定语（不定式修饰名词或代词作定语，放于名词或代词后）I have nothing to say about that thing.6）作状语目的状语He stopped to have a look.结果状语I’m glad to see you here.不定式的特殊句型：1）too…to do sth.…：太…而不能…He is too excited to speak. 2）enough to do：足以做…The child is old enough to go to school不定式专项练习题1.You’d better _______ at home all the time. It’s bad for yourhealth.A. don’t stayB. no to stayC. not stayD. not staying2. The mother asked the boy _______ down the ladder, but he went on _______ instead.A. come; climbingB. to come; to climbC. to come; climbingD. coming; climbing3. Is there any time _______ to the museum?A. goingB. to goC. goesD. gone4. The teacher asked the students to close the windows ____the wind from ____the papers away.A. to stop; blowingB. stopping; blowingC. to stop; blowD. stopped; blow5. I find _______ him all about it.A. necessary to tellB. that necessary toC. necessary it to tellD. it necessary to tell6.What is the best way do you think ______ the wild animals?A. protectingB. to protectingC. protectedD. to protect7. It’s too hot today. Why not _______ your coat?A. take onB. to take offC. take offD. taking off8. Would you please _______ any noise? The baby has just fallen asleep.A. makeB. to makeC. not to makeD. not make9. --- Would you please try _______ late again? --- Sorry, I won’t be late again.A. not to beB. to be notC. not beD. be10. --- Would you mind _______ for a few minutes? --- No, not at all.A. waitB. to waitC. waitedD. waiting11. It’s very nice _______ you to _______ me about it.A. for; tellB. of; sayC. to; speakD. of; tell12. The son wants his mother _______ him up at six o’clock every day.A. to ringB. ringC. ringsD. ringing13. --- I often use Hotmail to send e-mails.--- Really? Would you please show me _______ it?A. how can I useB. what can I usC. how to useD. what to use14. Tell the boy _______ out of the window.A. not to lookB. to not lookC. don’t lookD. not look15. Her hope _______ the 2008 Olympic Games.A. to take part inB. is to take part inC. taking part inD. will take part in20. We should do as much as we can _______ water.A. for savingB. to saveC. saveD. saved26. How long does it take you _______ your homework every evening?A. finish doingB. finishing to doC. to finish doingD. finish to do27. Remember _______ the lights when you leave the office.A. to turn offB. turning offC. turn offD. to turning off29.The room isn’t big enough _______ so many people.A. holdingB. holdC. to holdD. holds30. You’d better not spend more time _______ computer games.A. for playingB. in playingC. to playD. plays31. It is better to teach a man fishing than _______ him fish.A. givingB. to giveC. givesD. give32. My sister is interested in _______ in her free time.A. watch TVB. reading booksC. listening musicD. plays basketball33. I have caught a cold and I don’t feel like _______ anything.B. eatingC. ateD. eats34. I saw him _______ into the small store.A. wentB. goingC. to goD. has gone35. He raised(提高) his voice（嗓音）to make everybody in the room ______ him clearly.A. hearB. to hearC. hearingD. heard36. I didn’t go to the park yest erday because my mother asked me _______ my si ster at home.A. to look atB. to look forC. looking afterD.to take care of37. Their wish is _____ a house of their own.（他们自己的）A. to haveB. for havingC. haveD. of having38. The teacher agreed _____ us_____ the test papers home.A. to let, takeB. to let, to takeC. letting, take39. When he saw I was in a hurry, he offered _______ me his bicycle.A. lendingB. lentC. to lendD. in lending40. I don't like_______ people _________about their neighbours.A. hear, talkingB. to hear, talkingC. to hear, to talkD. hearing, talkedB．用括号内所给动词的适当形式填空，使句子完整、正确。