非谓语动词,Nonfinite verbs,热身练习,1. The old men enjoy _ (listen) to the singing of the birds in the park. 2.My sister is interested in _ in her free time. A. watch TV B. reading books C. listening music D. plays basketball,非谓语动词分为三种形式:,不定式：to+动词原形 动名词：动词原形+ing 分词（现在分词doing和过去分词done）,非谓语动词作宾语,动名词: doing 动词不定式: to do,动词+doing 介词+doing,doing,动名词,只能接-ing作宾语的动词口诀：,喜欢花费忙着想象忍不住想要完成练习 错过建议保持介意值得考虑 （押韵）,喜欢花费忙着想象忍不住想要完成练习,enjoy doing sth. 喜欢做某事 spend.doing sth. 花费做某事 be busy doing sth. 忙于做 imagine doing sth. 想象做某事 cant help doing sth. 忍不住做某事 feel like doing sth. 想要做某事 finish doing sth. 完成做某事 practice doing sth. 练习做某事,miss doing sth. 错过做某事 suggest doing sth. 建议做某事 keep (on) doing sth. 保持（继续）做某事 mind doing sth. 介意做某事 sth be worth doing. 某事值得做 consider doing sth. 考虑做某事,错过建议保持介意值得考虑,介词+doing,常考介词: at, in, on of, off, for, from up, about, without to 等等,be good at doing sth 擅长做某事 be interested in doing sth.对做某事感兴趣 insist on doing sth. 坚持做某事 be used for doing sth. 被用来做某事 thank sb. for doing sth. 谢谢某人做某事 be tired of doing sth. 厌烦做某事 be afraid of doing sth. 害怕做某事,put off doing sth. 推迟做某事 stop sb. from doing sth. 阻止某人做某事 give up doing sth. 放弃做某事 without doing sth. 没有做某事 think about doing sth. 考虑做某事 What How about doing sth.做某事怎么样?,此to 非彼to,look forward to doing sth.（盼望做某事） pay attention to doing sth.（注意做某事） be used to doing sth. （习惯于做某事） prefer doing sth to doing sth(更喜欢做某事） devote to doing sth （致力于做某事） make a contribution to doing sth (对做某事做出贡献）,小试牛刀,1. Now more and more people are busy_ about the Internet. A. learn B. to learn C. learning D. learned 2.-Its too hot. Would you mind _the door? -_. Please do it. A. to open; OK B. opening; Certainly not C. opening; Of course D. to open; Good idea 3. No matter how hard it is, well keep _ until we make it. A. failed B. failing C. tried D. trying 4. -Are you enjoying _in Ningbo? laugh -Yes, we are. Very much. laugh A. to live B. living C. lives D. lived 5 We couldnt help _ after we heard the funny story A. to laugh B. laughing C. laughs D. laughed,动词不定式:,肯定式: to do 否定式: not to do 省略to的: do,动词不定式,（1）基本形式： to+动词原形 （在某些情况下可以不带 to）,返回主页,动词不定式,(3) 用法 ：,A、作主语，如,To learn a foreign language is not easy . = Its not easy to learn a foreign language.,注意：不定式短语作主语如果太长，常用IT作形式主语，将不定式后置。除动词be外， 动词take,cost也常用于上述结构。,B、作表语，如,The important thing is to finish the work on time .,返回主页,动词不定式,作宾语,C、,动词 + to do,动词+疑问词 + to do,动词 + it(形式宾语）+宾补 +to do,常见动词有 agree,decide ,fail, hope, wish , want, plan 等,I dont know what to do .,I find it important to learn English.,返回主页,Li Mei asked me to show her the new dictionary .,注：有以上结构的常用动词有 tell. wish, ask, want , like, beg, invite,warn, allow,encourage,advise 等。,(不带 to 的不定式),注：常用的动词是：感官动词see, hear, feel, watch, notice； 使役动词 have ,make,let.,返回主页,E、作状语,可以表目的、表结果、表原因,F、作定语（必须后置）,动词不定式,返回主页,注意：,在学习动词不定式的时候还有两点要注意哦！,1、在感官动词和使役动词后作宾补时，不定式要省略to,但以上词变为被动语态时，要加上to, 如,I always saw her play violin .,He was made to work 12hours a day.,返回主页,2、动词不定式的否定形式为： not + to do,Mr.Smith asked the boy _(not play) this kind of game.,not to play,Please have him _(not do) so much housework.,not do,返回主页,只能接不定式作宾语的动词口诀：,决定想做计划需要同意，能做被用来做的事 迫不及待下决心做过去常常未能做的事,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,迫不及待下决心做过去常常未能做的事,cant wait to do 迫不及待地要做某事 make up ones 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,接不定式作宾语补足语的动词口诀：,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,请求与命令,ask sb. to do sth. 请求某人做某事 tell sb. to do sth. 命令某人做某事,想要邀请期待鼓励与建议,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,答应告诫允许提醒和帮助,promise sb. to do 答应某人做某事 warn sb. not 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,省略to的情况:,使役动词和感官动词后：一感二听三让四看 feel/ hear, listen to/ let,make, have, / look at, see, watch, notice had better （not）do sth. 最好(不)做 why not /why dont you do sth为什么不做? help sb.（to）do sth Would rather宁愿做 would you please 情态动词+do 助动词+do,区分下列词组:,see sb. doing/ do sth. hear sb. doing/ do sth. watch sb. doing/ do sth. notice sb. doing/ do sth.,感官动词 see, watch, look at, notice, hear, listen to, feel,+ do表示动作的完整性， +doing 表示动作的进行性。 注意：被动语态中不能省去to。,牛刀小试,1.My mother often asks me _ some cleaning on Sundays A do B. does C. did D. to do 2.Do you often hear John _in his room ? Listen! Now we can hear him _ in his room . A.sing , to sing B. sing, sing C. sing , singing D. to sing , singing 3.I watched her _ in the next room last night . A.danced B. to dance C. dances D. dance 4.Lets _swimming after the exam . A.go B. goes C. to go D. went 5.Youd better _a bus . A.to catch B. catch C. catches D. catching,特殊词精讲:,stop doing/to do,