1、非谓语动词讲解非谓语动词讲解Nonfinite Verbs朝天中学朝天中学 张亮张亮To see is to believe.眼见为实 It is very dangerous to do it.It is brave of you to try it.1.主语 To see is to believe.不定式作主语时,往往放在谓语之后,用it作形式主语.It is very dagerous to do it.It is brave of you to do it.It is adj.for/of sb.to do sth.It is+adj+for sb to do sthIt is+ad
2、j+of sb to do sth（是形容人的品质的是形容人的品质的）（是形容事物的性质的是形容事物的性质的）It is easy for me to finish this work before ten.It is a great honor for us to be present at your birthday party.=Its impolite of you to speak to the teacher like that.You are very kind to give me some help.you are impolite to speak to the teach
3、er like that.=It is very kind of you to give me some help.表示人物特征的形容词同of后的名词或代词有意义上的主表关系，常与of搭配。Brave,careful,careless,clever,considerate,cruel,foolish,good,honest,kind,nice,right,rude,stupid,silly,thoughtful,wise,wrong表示事物性质的形容词与不定式关系密切，有主表关系，常与for搭配。Easy,hard,heavy,necessary,impossible,possible,imp
4、ortant,difficultI want to catch up with him.wait for me,please!I still want to be a quiet and handsome man!I want to catch up with him.I find it difficult to open my eyes.有些动词后只跟不定式作宾语，如：有些动词后只跟不定式作宾语，如：manage,promise,pretend,plan,offer,agree,ask,dare,choose,fail,help,want,refuse等等2.宾语宾语不定式的用法之不定式的用
5、法之作宾语作宾语 决心决心 学会学会 想想 希望希望decidedeterminelearnwantwould likewishexpect/hope拒绝拒绝 设法设法 愿愿 假装假装refusemanagepretend要求要求 答应答应 选选 计划计划demandpromisechooseplan同意同意 请求请求 帮一帮帮一帮agreeaskhelp提出提出 打算打算 又又 失败失败offerintendfailto do sth.1、Dont forget _.(关灯)2、I happened _when he called me.（出去）3、I dont want_.(依赖别人）4、
6、We promise _ the environment.(保护)to turn off the lightto go outto depend on others练习to protectI find it difficult to open my eyes.it作形宾形宾findthink to do sth.feel it+adj./n.make that从句consider我觉得学好英语是必要的。_他认为帮助别人是他的职责。_I find it difficult to open my eyes.I think it necessary to learn English well.He
7、thinks it his duty to help others.他们告诉我要与众不同。他们告诉我要与众不同。They told me to be different from others.不定式的用法之不定式的用法之作宾补作宾补我是我们寝室最亮的仔！带带to的不定式做宾补，即的不定式做宾补，即“动词动词+sb/sth+to do”用于这种结构的常见的动词用于这种结构的常见的动词：advise,ask,beg,cause,command,encourage,expect,forbid,allow,force,get,hate,like,love,help,order,permit,pers
8、uade,prefer,request,require,teach,tell,want,warn.翻译练习翻译练习1.我的父母鼓励我学好英语。2.老师告诉我要尊重别人。3.好朋友说服我和他们一起去打篮球。My parents encourage me to learn English well.Teachers told me to respect others.My good friends persuaded me to play basketball with them.How should I make my teacher believe it?一感 二听 三让 五看feelhear
9、;listen tolet;make;havelook atseewatchnoticeobserve十一大动词真奇怪十一大动词真奇怪 to来来to去令人猜去令人猜主动语态主动语态to离开离开被动语态被动语态to回来回来 我听见她唱歌了，她唱得非常精彩。我听见她唱歌了，她唱得非常精彩。I heard her sing.She sang wonderfully.她被听见唱歌了。她被听见唱歌了。She was heard to sing.我们经常听见她唱这首歌。我们经常听见她唱这首歌。She is often heard to sing this song by usI saw a thief e
10、nter the house.A thief was seen to enter the house.半帮助半帮助 help后的不定式可以带后的不定式可以带to,也可不带也可不带to If anyone happens to drop in while I am out,_ him or her leave a message.A.have B.get C.ask D.tell1、Let him _ the work at once.(finish/to finish)2、Do you like listening to other people_?(talk/talking/to talk)
11、3、Jim was seen _the room.(enter/to enter)4、Please tell her _here on time.(come/to come)finishtalkto enterto come练习5、Ill help you _this problem.(to solve/solve)6、I wish you will stay with us.(改成简单句）7、Her story made us laugh.(改成被动句）(to)solveI wish you to stay with us.We were made to laugh by her story
12、.Ms Zhang is the person to teach us math every afternoon.4.定语注：作定语的不定式如果是不及物动词，或者不定式所修饰的名词或代词是不定式动作的地点、工具等，不定式后需有介词There is nothing to worry .He is looking for a room to live .Ms Zhang is the person to teach us math.He is the first one to come here.aboutin但是，不定式所修饰的名词如果是time,place或way,不定式后面的介词习惯上可以省
13、略。He had no money and no place to live(in).注2：have 表示“有”，to do 主动和被动意思不一样Have you anything to claim（申报）?动作执行者youI am going to Beijing next week.Have you anything to be taken to your son?动作执行者是我5.状语I came here to see you.目的The boys came to playground to play football.原因We were excited to hear the new
14、s.soas to,suchas to,enough to,only to,tooto这画面太美我不敢看 Its so beautiful that Im too scared to see it.原因结果注1：某些形容词在tooto结构中表肯定，它们是anxious,delighted,eager,easy,glad,kind,pleased,ready,surprised,willing等。She was too surprised to see how angry herfather was.注2：在not,never,only,all,but等后的tooto 结构中too意为very，
15、没有否定含义。Its never too late to learn.Im only too glad to stay at home.(看到父亲那么生气，她很吃惊)什么时候开始学习都不算晚。活到老，学到老。我太想留在家里了。Eating is easy,losing weight is not.It is to be cherished.1、主语+be+to do sth 主语多为 duty/wish/hope/idea/plan/ambition/dream/work/job 等 名词 1、My dream is to be a singer.2、His work is to clean
16、the classroom every day.作表语我的梦想是成为一名歌手。他的工作是每天清扫教室。1.不定式与疑问词连用在句中起名词作用，可充当主语，表语，宾语等。How to solve the problem is very important.My question is when to start.He didnt know what to say.2.注意：在与why连用时，只用于why或whynot开头的简短疑问句中，后面紧跟的不定式不带to.Why not have a change?No zuo,no die.Why you try?不作死，就不会死！3.不定式动词在介词b
17、ut,except,后面 时，介词前有行为动词doI dont have any other choice but to accept the fact.She could do nothing but cry.动词不定式To see is to believe.I want to see you this evening.All you have to do is to finish it quickly.We found a house to live in.She came here to study English.I warned the patient not to eat cold water after the operation.主语 宾语表语 定语 状语 宾补
