英语不定式、动名词、现在分词和过去分词.ppt
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1、非谓语动词 语法讲解非谓语不定式不定式 to do 分词分词动名词(动名词(-ing)过去分词过去分词(-ed)现在分词现在分词(-ing)非谓语动词分类动词动词-ing形式形式 It was reported that she was the first person _(become) a US-dollar billionaire by writing books. to become At the age of six, she began _ (write) . The story of a rabbit interested her sister and her friends.
2、Since then the desire _(create) more stories has never left her.to writeto create _(make) a living, she once worked as a teacher _(teach) English.To maketo teach Once travelling by train, a lovely boy happened_ (attract) her attention, then she decided _(write) her famous book Harry Potter.to attrac
3、tto write不定式不定式不定式的构成不定式的构成不定式的基本用法不定式的基本用法不定式的否定与省略不定式的否定与省略不定式的构成不定式的构成语态时态主动式被动式一般式to do进行式完成式to be doneto be doingto have doneto have been done(1). 主语主语 Subject不定式作主语时不定式作主语时,往往放在谓语之后往往放在谓语之后,用用it作形式主语作形式主语.To get enough sleep at night is important.It_.It is adj. (for / of sb) to do sth.It is +
4、a pleasure/an honor/a pity to do.It takes sb +time to do.is important to get enough sleep at night1.吸烟对你来说是不好的。It is not good for you to smoke. 2.和你一起共进晚餐很愉快。It is a pleasure to have dinner with you.It only took two years to complete the project.3.完成这项工程只花了二年时间。巩固练习1(2). 表语表语 PredicativeMy jobisYour
5、 task _(努力学习努力学习).is to study hardTo see is to believe.to teach you English.These days everyone wants to get rich fast.(3) 宾语宾语 Object常用动词不定式作宾语的动词有常用动词不定式作宾语的动词有:fail, happen, mean, wish, hope, decide, refuse, offer, learn, agree,etc.+ to dolike to domanage to dothink considerfind make feel形式宾语形式宾语
6、4.我希望很快收到你的信。I hope to hear from you soon.5.我决定不留下来。I decided not to stay.6.学生们认为玩电脑游戏很有趣。Students thought_.7.她觉得没有没有必要和他辩论。 She thought it unnecessary to argue with him.it interesting to play computer games.it + adj.+ to do 巩固练习2The teacher told me to clean the blackboard.(4). 宾补宾补 Complement五看五看 w
7、atch see look at observe notice三三使使 let make have 二听二听 listen to hear一感觉一感觉: feel当遇到下列动词时当遇到下列动词时,不定式省略不定式省略to: allow, cause, ask, advise, expect, force, permit, persuade, tell, want, warn, teach等等. 医生建议他去南方医生建议他去南方.The doctor advised him to go to the south.sb to doI made him do his work.He _by me.S
8、ee sb do sth-sb be seen to doHe was seen _ from the tree and get hurt.A.fall B. to fall C. falling D. fallen改错: He was heard talk to his mother for an hour.to talkwas made to do his work(5). 定语定语 Attributive (如果不定式中的动词是不及物动词如果不定式中的动词是不及物动词,则不定式中要有介词则不定式中要有介词.)He is looking for_.(一间可以住的房子)There is no
9、thing_.*我想要几本书在旅途中看。Id like_.a few books to read during the journey-What do you think of the school?-It is a very good _.A. school to study in B. school for children to studyC. studying school D. school to studyto worry aboutThe topics to be discussed at tomorrows meeting is concerned about the Olym
10、pics 2008.(没有什么可担心的没有什么可担心的)a room to live inv其它的情况:其它的情况:v1 1)如果是序数词或者中心词被序数词修)如果是序数词或者中心词被序数词修饰,用不定式作定语饰,用不定式作定语 a .I was the first woman to travel alone at the North pole.b. The last one to come pays the bill.v2) )名词是抽象名词,用不定式作定语,常名词是抽象名词,用不定式作定语,常见的有:见的有:ability, chance, idea, excuse, reply, bel
11、ief, reason, attempt等。等。va. He has the ability to read and write.vb. I have no chance to go to college. 表目的:表目的:He worked day and night to get the money.She sold her hair to buy the watch chain.注意:不定式放句首时,逻辑主语与句子注意:不定式放句首时,逻辑主语与句子主语要一致(常翻译成主语要一致(常翻译成“为了为了”) To save money, every means has been tried.
12、 To save money, he has tried every means. 6.6.作状语作状语wrongright表结果:表结果:vHe arrived late to find the train gone.v常用常用only放在不定式前表示强调:放在不定式前表示强调:va. I visited him only to find him out. b. I hurried to the post office, only to find it was closed. 表原因:表原因: They were very sad to hear the news.特别补充:特别补充:v1.
13、be.enough to dovHe is old enough to finish this task.v他足够大以至于能完成这项任务。他足够大以至于能完成这项任务。v2.too.to.(太太.而不能而不能.).)vHe is too young to go to school. 他年纪太小他年纪太小,还不能上学还不能上学 但是,但是,如果如果too 后面跟形容词:后面跟形容词:ready, easy, pleased, glad, willing,eager等时等时,含义却,含义却相当于相当于very(十分,非常),十分,非常),此时此时too前面前面还有还有only/but用以加强语气。
14、用以加强语气。a. I am only too glad to help others.b. She is only too pleased to go.1._ late in the morning , Bob turned off the alarm.A. To sleep B. Sleeping C. Sleep D. Having slept 巩固练习2翻译:1935年,他离开家再也没回来。In 1935 he left home never to return.1. 作主语作主语2. 作表语作表语3. 作宾语作宾语4. 作宾语补足语作宾语补足语5. 作定语作定语6. 作状语作状语在句
15、中承担的成分在句中承担的成分:主动语态主动语态被动语态被动语态进行式进行式完成式完成式完成进行式完成进行式Tense and Voice (时态与语态) to be doing to have done to have been done - to have been doing-(1).They pretended not to see us.(2). He pretended to be sleeping. (3).She pretended to have known it before.( (一般式表示与谓语的动作同时一般式表示与谓语的动作同时/ /发生在它之后发生在它之后.).)(
16、(在谓语动词发生的同时在谓语动词发生的同时, ,不定式的动作也正在进行不定式的动作也正在进行) )( (完成式表示动作发生在谓语动作之前完成式表示动作发生在谓语动作之前) )1.The boy pretended _ when his mother entered.A. reading B. to read C. to be reading D. being read2. Do let your mother know all the truth. She appears_ everything. ( 01年高考) A. to tell B. to be told C. to be telli
17、ng D. to have been told巩固练习33. Charles Babbage is generally considered _ the first computer.(MET93 34) A. to invent B. inventing C. to have invented D. having invented4.The Emperor ordered the wonderful cloth _ for him without delay.A. to have woven B. to be wovenC. to be weaving D. to weavewho, whi
18、ch, when, how, what,whom,whether 等连用,等连用,在句中起名词作用,可充当主语、表语、宾语等。在句中起名词作用,可充当主语、表语、宾语等。我不知道是否要接受邀请。我不知道是否要接受邀请。I dont know whether to accept the invitation or not.(宾语宾语)How to solve the problem is very important.(主语主语)如何解决这个问题很重要如何解决这个问题很重要。我的问题是什么时候开始。我的问题是什么时候开始。My question is when to start.( (表语表语)
19、 )不定式与疑问词连用不定式与疑问词连用:关于省略关于省略 (1).不定式中的动词上文已出现过不定式中的动词上文已出现过,下文要下文要 省略该动词省略该动词. e.g.: Would you like to go with me ? (2). 不不定式一般省略到定式一般省略到to,但是如果后面有,但是如果后面有be,have要保留。要保留。 e.g.: Would you like to be a teacher? A. Id like to B.Id like to go Yes, _.A.Id like to be. B. Id like to.Yes,_.-Hasnt he finish
20、ed writing the report?-No, but he ought to have .1. -Did you get a job? - No, I _ , but its no use.A. expected B. tried to C. managed to D. planned2. The boy wanted to ride his bicycle in the street, but his mother told him _.A. not to B. not to do C. not do it D. do not to巩固练习4不定式用在介词不定式用在介词but, ex
21、cept, besides后时后时,如如果这些介词前有行为动词果这些介词前有行为动词do的各种形式的各种形式,那么那么介词后的不定式不带介词后的不定式不带to, 相反则带相反则带to.v(1). She could do nothing but _ .(cry)v(2). I have no choice but_. (go)v(3).What do you like _ besides_ . (do, sleep)cryto goto dosleep.7.7.下列常用短语用作独立成分下列常用短语用作独立成分to be honest=honestly speaking(说实话)(说实话)to
22、be exact=exactly speaking(准确的说,精确的说)(准确的说,精确的说)to be frank=frankly speaking(坦白的说)(坦白的说)to tell (you) the truth(说实话)(说实话)to be honest with you(跟你说说话吧)(跟你说说话吧)to begin/start with(首先,开始)(首先,开始)to make matters worse(更糟糕的是更糟糕的是)to be brief(简言之)(简言之)to make a long story short(长话短说;总而言之 ).vhad better+ (not
23、) do sth. 最好(不)做某事最好(不)做某事vWhy (not) do sth.?vprefer to do/prefer doingvprefer + n./doing A +to + n./doing Bvprefer + to do A rather than (to) do Bvwould rather (not) do sth.vwould rather do A than (do) Bvwould rather + 句子(过去式)句子(过去式)v (虚拟语气)(虚拟语气) 要做要做 (eat, give up, finish, explain, tell)1.My teac
24、her was made _ his teaching because of poor health. to give upexplaining/to be explainedto be finishednot to eat3.We find it impossible for the work _ ahead of time.4.The patient was warned _ oily food after the operation.2.The sentence wants_once more.5.I meant _ you about it, but I forgot to do so
25、.to have told 1. (MET92 14) -I usually go there by train. -Why not _ by boat for a change? A. to try going B. trying to go C. to try and go D. try going2.Rather than _ on a crowded bus, he always prefers _ a bicycle. (MET94 22) A. ride; ride B. riding; ride C. ride; to ride D. to ride; riding4. She
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