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1、非谓语动词讲解,Nonfinite Verbs,朝天中学 张亮,动词不定式,To see is to believe.,眼见为实,It is very dangerous to do it.,It is brave of you to try it.,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 st
2、h It is + adj + of sb to do sth,（是形容人的品质的 ）,（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
3、 teacher 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, n
4、ecessary, impossible, possible, important, difficult,I 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： manage, promise, pretend, plan, offer, agree, ask, dare, choose, fail
5、, help,want,refuse等,2.宾语,不定式的用法之作宾语,决心 学会 想 希望,decide determine,learn,want would like,wish expect / hope,拒绝 设法 愿 假装,refuse,manage,pretend,要求 答应 选 计划,demand,promise,choose,plan,同意 请求 帮一帮,agree,ask,help,提出 打算 又 失败,offer,intend,fail,to do sth.,1、Dont forget _.(关灯) 2、I happened _when he called me. （出去）
6、3、I dont want_. (依赖别人） 4、We promise _ the environment.(保护),to turn off the light,to go out,to depend on others,练习,to protect,I find it difficult to open my eyes.,it作形宾,find think 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 th
7、ink it necessary to learn English well.,He thinks it his duty to help others.,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,作宾补,我是我们寝室最亮的仔！,带to的不定式做宾补，即 “动词+sb/sth+to do”,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, he
8、lp, order, permit, persuade, prefer, request, require, teach, tell, want, warn.,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 teac
9、her believe it?,我是不带to的不定式,一感 二听 三让 五看,feel,hear; listen to,let; make; have,look at see watch notice observe,十一大动词真奇怪 to来to去令人猜 主动语态to离开 被动语态to回来,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。 She was heard to sing . 我们经常听见她唱这首歌。 She is often heard to sing this song by us,I saw a
10、 thief enter the house.,A thief,was seen to,enter the house.,半帮助,help后的不定式可以带to,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. tell,1、Let him _ the work at once. (finish / to finish) 2、Do you like listening to other people_? (talk / talking
11、/to talk ) 3、Jim was seen _the room. (enter /to enter ) 4、Please tell her _here on time . (come / to come),finish,talk,to enter,to 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 ) solve,I wish you to stay with u
12、s.,We were made to laugh by her story.,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.,about
13、,in,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you I 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 t
14、o playground to play football.,原因,We were excited to hear the news.,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 surp
15、rised to see how angry her father was.,注2：在not, never, only, all, but等后的too to 结构中too意为very，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 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
