1、(1) 动词+不定式。He managed to escape from the fire.I find it hard to get along with him.(it 作形式宾语)注:下列动词通常用不定式作宾语:want, try, hope, wish, need, forget, know, promise, refuse, help, decide, begin, start, learn, agree, choose, get等(1) 动词+疑问词+to , “特殊疑问句+不定式”相当于名词,作宾语。I dont know what to do next/ how to do i
2、t next.I cant decide when to go there.不定式短语作宾语时,如果还带有宾语补足语,往往把不定式短语放在宾语补足语之后,用it 作形式宾语。I find it necessary to learn a foreign language.3、 作宾语补足语(1) 动词+宾语+不定式(to do )。He warned me to be careful.I want you to speak to Tom.What makes you think so? (不带to的不定式) 注:可以用动词不定式做宾补的动词有:ask, tell, order ,want ,ge
3、t, would like, like, advise, invite, allow, help, wish, warn, expect, would prefer, encourage(2) 表见解、看法的动词结构可为:动词+宾语+ to be 的不定式结构。We consider Tom to be one of the best students in our class.The book is believed to be useful.(被动语态)(3) There +不定式。We didnt expect there to be so many people there.我们没料到
4、会有那么多人在那里。(1)有些动词需用 as 短语作补语,像regard, think, believe, take, consider。We regard Eric as our best teacher. 我们认为艾瑞克是我们最好的老师。Mary took him as her father. 玛丽把他当作自己的父亲。(4) 在动词feel (一感),hear, listen to(二听),have, let, make(三让),notice, see, watch, observe, look at(五看)(即:吾看三室两厅一感觉)等后面的补足语中,不定式不带to,但变为被动语态后,必须
5、带to。They saw the boy fall off the tree. The boy was seen to fall off the tree.(5) help后面作宾语补足语的不定式可以带to,也可以不带to. I often help him (to)clean the room. I helped him (to) find his things.4、 作定语不定式作定语,修饰名词或代词,不定式和它所修饰的名词之间有逻辑上的主谓关系、动状关系、同位关系或动宾关系。不定式通常要放在这些被修饰的词后。I have a lot of work to do.(动宾关系)He is l
6、ooking for a room to live in.(动状关系)He is the first person to think of the idea.(主谓关系)He has got a chance to go abroad.(同位关系)1.不定式的逻辑主语是句子的主语时,不定式用主动形式表被动。 Do you have anything else to say? 2.如果作定语的不定式是一个短语,则要保留不定式短语中的副词或介词。 I need a pen to write with. (I will write with the pen ) (我需要一支钢笔写字) I have
7、a little baby to look after. (I must look after the little baby ) (我有一个婴儿要照看)5. 作状语作状语,表示目的、结果、原因等,有时还有一些固定搭配的不定式短语,如in order to , so as to, soas to, such as to, .enough to, tooto等。(1) 做目的状语,just to, only to (仅仅为了), in order to, so as to, so(such).as to(如此以便)如:He ran so fast as to catch the first bu
8、s. 他飞快地跑以便赶上第一班车。He came to the school to see his son.(2) 作结果状语,表事先没有预料到的,要放在句子后面。He hurried to the post office only to find it was closed.He searched the room only to find nothing.(3) 做原因状语。We were very excited to hear the news.Im glad to see you.(4) 做条件状语。To turn to the left, you could find a post
9、 office.6. 作表语不定式可放在be动词后面,构成表语。The question is how to put it into practice.My question is when to leave.His dream is to be a doctor.Her work is to look after the babies.1.不定式在句中作表语时,对应的谓语动词用单数。 2.当主语是不定式时,表语不能用V+ing形式,可用不定式。 如:To see is to believe. (眼见为实)(Seeing is believing. )7独立结构。To tell you the
10、 truth, I dont agree with you.To make matters worse, it began to rain.二、 不定式的时态和语态1、 不定式的时态(1) 现在时:有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。He seems to know this. I hope to see you again. (2) 完成时:表示的动作发生在谓语动词表示的动作之前。Im sorry to have given you so much trouble.He seems to have caught a cold.(3) 进行时:表示动作正在进行,与谓
11、语动词表示的动作同时发生。He seems to be eating something.(4)完成进行时:表示动作从过去某个时间开始,一直延续到现在,并有可能持续下去。She is known to have been working on the problem for many years.2、 不定式的语态当不定式的逻辑主语是其动作的承受者时,就用被动式。He was seen to enter the hall. He asked to be sent to work in Tibet.三、 省to 的动词不定式1、 情态动词(除ought 外,ought to)2、 would r
12、ather, had better.3、 感官动词 see, watch, look at, notice, observe, hear, listen to, smell, feel 等后作宾补,省略 to.在被动语态中 to 不能省略掉。I saw him dance. He was seen to dance. The boss made them work the whole night.They were made to work the whole night.4、 使役动词 let, have, make.5、 由 and, or 和 than 连接的两个不定式,第二个 to 可
13、以省去。He wants to move to France and marry the girl.6、 help 可带 to ,也可不带to, help sb. (to) do sth.7、 Why dont you/Why not8、 but 和 except 前是动词 do 时,后面出现的动词用不带 to 的动词不定式。 He wants to do nothing but go out. He wants to believe anything but to take the medicine.9、 通常在discover, imagine, suppose, think, under
14、stand 等词后,可以省去 to be .如:He is supposed (to be) nice. 他应该是个好人。2.【2016北京】28._ over a week ago, the books are expected to arrive any time now.A. Ordering B. To orderC. Having ordered D. Ordered考查过去分词作状语 【名师点睛】分词作状语1. 分词作时间状语相当于when引导的时间状语从句;on doing sth. =as soon as。2. 分词作原因状语相当于as,since,because引导的原因状语
15、从句。3. 分词作方式或伴随状语不能用状语从句替换,但是可以改写成并列句。4. 分词作条件状语相当于if unless等引导的从句。常见的引导条件状语的分词有given,supposing, considering, provided, compared with等。5. 分词作结果状语相当于so that引导的结果状语从句。分词前常有副词thus,thereby,only等。6. 分词作让步状语相当于though或者even if等引导的让步状语从句。3.【2016北京】32. Newly-built wooden cottages line the street, _ the old to
16、wn into a dreamland.A. turn B. turning C. to turn D. turned【答案】B考查现在分词现在分词和过去分词的区别:在语态上,现在分词表示主动意义,过去分词表示被动意义;在时间上,现在分词表示的动作往往正在进行或者与谓语动词同时发生,过去分词表示的动作已经完成或没有一定的时间性。falling leaves 正在下落的树叶 fallen leaves 已经落在地上的树叶一、 分词的作用1、 作定语(1) 单个分词作定语,分词前置。The sleeping boy is my son.The excited people rushed into
17、the building.A lost opportunity never returns.He is a retired worker.(2) 分词短语作定语,分词后置;分词修饰不定代词something等要后置;个别分词如give,left等作定语也后置。The girl standing under the tree is my niece.The building built last year is our library.This is the question given.There is nothing interesting.(3) 过去分词作定语与其修饰的词是被动关系,相当
18、于一个被动语态的定语从句。Most of the people invited to the party were famous scientists2. The first textbook _ for teaching English as a foreign language came out in the 16th century.A. have written B. to be written C. being written D. written3. Whats the language _ in Germany?A. speaking B. spoken C. be spoken
19、 D. to speak4. Prices of daily goods _ through a computer can be lower than store prices.A. are bought B. bought C. been bought D. buying.5. When I got back home I saw a message pinned to the door _ “Sorry to miss you; will call later.”A. read B. reads C. to read D. reading2、 作状语现在分词和过去分词在句中可以作时间、原因
20、、方式、伴随、条件、结果等状语。Not receiving any letter from him, I gave him a call.As I didnt receive any letter from him, I gave him a call.Given more attention, the trees could have grown better.If more attention was given, the trees could have grown better.(条件)Walking along the street, I ran across my old frie
21、nd.Bitten by a snake, he was taken to hospital(原因).Though defeated, he didnt lose heart. (让步)He lay on the grass, looking into the sky. (伴随)He came running to tell me the good news. (方式)6. _ some officials, Napoleon inspected his army.A. Followed B. Followed by C. Being followed D. Having been follo
22、wed7. There was a terrible noise_ the sudden burst of light. A. followed B. following C. to be followed D. being followed8. _, liquids can be changed into gases. A. Heating B. To be heated C. Heated D. Heat 注意:(1) 选择现在分词还是过去分词,关键看主句的主语。如分词的动作是由主句的主语发出,分词就用现在分词,反之就用过去分词。(Being)Used for a long time, t
23、he book looks old.由于用了很长时间,这本书看上去很旧。Using the book, I find it useful.在使用的过程中,我发现这本书很有用。(2) 分词作状语时,其逻辑主语必须和主句的主语一致,如果不一致,就用独立主格结构,即在分词前加上它的逻辑主语。现在分词的完成式主要用于作状语,一般不用作定语。9. When_, the museum will be open to the public next year.A. completed B. completing C. being completed D. to be completed10. _ such
24、heavy pollution already, the river becomes dead water.A. Having suffered B. Suffering C. To suffer D. Suffered3、 作表语现在分词作表语多表示主语具有的特征,过去分词作表语多指主语所处的状态。The film is touching.The glass is broken.She looked tired with cooking.He remained standing beside the table.4、 作宾语补足语分词和不定式一样,在一些感官动词或使役动词后作宾语补足语。I
25、smell something burning.I heard him singing the song.I heard my name called.I cant make myself understood in English.I found my car missing.Ill have my watch repaired.我想把我的手表修一下。5、 作插入语其结构是固定的,意思上的主语并不是句子的主语。generally speaking 一般说来 talking of (speaking of) 说到strictly speaking 严格地说 judging from 从判断al
26、l things considered 从整体来看 taking all things into consideration 全面看来。Judging from his face, he must be ill.从他的脸色看,他一定是病了。Generally speaking, dogs can run faster than pigs.总的来说,狗比猪跑得快。二、分词的时态1、 与主语动词同时。Arriving there, they found the boy dead. 11. The secretary worked late into the night, _ a long spee
27、ch for the president.A. to prepare B. preparing C. prepared D. was preparing2、 先于主语动词分词作时间状语,如果先于主动词的动作,且强调先后,要用having done。Having finished his homework, he went out for a walk.After he had finished his homework, he went out for a walk.12. _ a reply, he decided to write again.A. Not receiving B. Rec
28、eiving not C. Not having received D. Having not received三、分词的语态1、 通常情况下,现在分词表示主动,过去分词表示被动。He is the man giving you/who gave you the book She is the girl stopped by/who was stopped by the car. 2、 不及物动词的过去分词表示动作已经发生。像:gone, fallen, retired, grown-up, escaped, faded, returned等词。a retired person 一个退休的人 a fallen ball 一个落下来的球a burnt-out match 烧完了的火柴4.【2016江苏】28.In art criticism, you must assume the artist has a secret message _within the work.A. to hide B. hidden C. hiding D. being hidden过去分词作定语,在语态上,表被动;在时间上,表示动作已经发生或完成,与它所修饰的名词有逻辑(意义)上的
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