什么时候用现在分词 什么时候用不定式 什么时候用过去分词 做题的时候怎么选择麻烦讲的详细点
【现在分词】非谓语动词中的现在分词主要起形容词和副词的作用,在句中作定语、表语、补语或状语.
一、现在分词的两个基本特点.
1. 在时间上表示动作正在进行.例如： a developing country. 一个发展中的国家, boiling water 沸水, rising sun 冉冉升起的太阳.（试比较： a developed country 一个发达国家, boiled water 白开水, risen sun 升起的太阳）
2. 在语态上表示主动.例如： the ruling class 统治阶级, the exploiting class 剥削阶级.（试比较： the ruled class 被统治阶级, the exploited class 被剥削阶级）
二、掌握现在分词的基本功能.
1. 现在分词作定语,表示正在进行的或主动的动作.也可以说明被修饰词的性质和特征,此时可换成相应的定语从句.例如：
① There was a terrible noise ___________ the sudden burst of light. (MET 1989)
A. followed B. following
C. to be followed D. being followed
分析： B .表示主动的动作,句意是：雷声跟着闪电.此处的 following ＝ which followed .
② He saw a ________ bird and raised his bow.
A. fly B. flying
C. flew D. to be flying
分析： B .表示正在进行的动作,句意是：正在飞的鸟.此处的 a flying bird ＝ a bird which was flying .
③ I was satisfied with the _________ speech.
A. excite B. exciting
C. excited D. be excited
分析： B .表示被修饰词 speech 的性质和特征,此处的 the exciting speech ＝ the speech that/which was exciting .
2. 现在分词作状语时,可作时间、条件、结果、原因和伴随状语,表示正在进行的或主动的动作.此时分词的逻辑主语就是主句的主语,因此要注意人称、时态和语态的一致性.例如：
① The visiting minister expressed his satisfaction with the talks, ____________ that he had enjoyed his stay here. (NMET 1994)
A. having added B. to add
C. adding D. added
分析： C .句意：来访的大臣表示了对谈判的满意,同时又补充说道他呆在这里很愉快. adding 作伴随状语,表示主动的动作.所以应用现在分词作伴随状语.
② European football is played in more than 80 countries, __________ it the most popular sport in the world. (NMET 1998)
A. making B. makes
C. made D. to make
分析： A .句意：欧式足球在 80 多个国家开展,其结果是它使欧式足球成为世界上最受欢迎的体育运动. making 是现在分词作结果状语.
③ ________ from the top of the hill, we can find that the city looks more beautiful.
A. Seeing B. Seen
C. Saw D. To be seeing
分析： A . Seeing 是逻辑主语就是主句的主语 we ,表示正在进行的主动动作.
3. 现在分词作补足语,表示正在进行的或主动的动作.例如：
① Soon they could see the steam _________ from the wet clothes.
A. rise B. rising
C. risen D. be rising
分析： B .句意：很快他们看见蒸汽从湿衣服上升起. rising 现在分词作宾语补足语,表示正在进行的动作.
② The missing boys were last seen ________ near the river. (NMET 1994)
A. playing B. to be playing
C. play D. to play
分析： A .句意：失踪的男孩们最后被看到时是他们正在河边玩耍.现在分词作主语补足语.
4. 现在分词的独立主格结构作状语.例如：
① With his lips still ________, he couldn't say a word.
A. trembling B. tremble
C. to tremble D. to be trembling
分析： B .句意：他说不出话,因为他的嘴唇在颤动.这里需要用现在分词的独立主格结构作原因状语,表示正在进行的动作.
②“ Mama! ” he cried suddenly, tears rolling down his cheeks. “妈妈!”他突然哭着喊,泪水从他的脸上流下来.（这里需要用现在分词的独立主格结构 tears rolling down his cheeks 作状语.）
③ Weather permitting, we'll go to the Great wall. 如果天气允许的话,我们就去长城.（这里需要用现在分词的独立主格结构 Weather permitting 作状语.）【不定式】一、 不定式结构作主语1. 不定式前置1) Derive 〔A〕 mineral resources from 〔B〕 sedimentary rock 〔C〕 is a 〔D〕 major modern industrial activity.2) in the matriculation for postgraduate in a short time is realy a hard nut. 〔A〕 To make high scores〔B〕 To make low goal〔C〕 To the high scores〔D〕 Make the low goals2. 上述形式一般情况不多见,作为考试的规范英语,如果不定式较长,显得头重脚轻,则可由代词“it”作形式主语(形式主语“it”不能由“that”或“this”等其他代词代替),而将不定式放到后面It is really a hard nut to get high scores in the matriculation for postgraduate in a short time.3) John admitted that it's always difficult .〔A〕 for him being on time〔B〕 being on time for him〔C〕 for him to be on time〔D〕 on time for him4) It is difficult for me 〔A〕 to be concentrating 〔B〕 while someone 〔C〕 is using 〔D〕 a vacuum cleaner.3. 不定式后置的情况不仅限于动词是系动词,也适用于其他动词It took us a great deal of efforts to finish that task.It made him extremely happy to get contact with his family in Taiwan since they separated more than 40 years ago.4. 不定式结构所表示的动作是谁做的,即不定式的逻辑主语,通常可以在特定的上下文中能看出,也可以通过带“for ＋名词短语”辨出It is quite important for us to read good books during the period of general review(总复习).It is not difficult for those who study maths well to pass the exam.5. 在某些形容词(如careless,clever,considerate, foolish, good, impolite, kind, naughty, nice, silly, stupid等)作表语时,不定式后可以加of来引导出其逻辑主语It is very kind of you to help me./It is stupid of him to do such a silly thing.间或也可用for ＋ there to be 表示(而且there后面的不定式只能是to be).It's a great pity for there to be much trouble in the company.二、 不定式作宾语不定式作宾语有两种：一种是及物动词后直接跟带to的不定式；另一种是“动词＋疑问词＋带to的不定式”1. 动词＋带to的不定式结构只能跟动词不定式的动词,常见的有：afford, agree, aim, appear, arrange, ask, believe, care, claim, decide, decline(拒绝), demand, desire, determine, endeavor, expect, fail, hesitate, hope, intend, learn, long, manage, mean(想要), offer(表示愿意做…), pretend, promise, refuse, seek(试图), swear, undertake, wish(想要)等.5) We refuse that there are insufficient funds in the great vaults(银行保管库) of this nation.〔A〕 to believe 〔B〕 to be belived〔C〕 beliving〔D〕 have belived6) The green turtle has been known over 2,000 miles to return to a nesting site.〔A〕 in the navigating 〔B〕 the navigation 〔C〕 to navigate 〔D〕 navigation7) For the 〔A〕 first time Venusian scientists managed landing 〔B〕 a satellite on the planet Earth, and it has been sending 〔C〕 back signals as well as 〔D〕 photographs ever since.8) The day is past when Chinese universities and colleges to give high school diplomas to all who sit through four years of instruction, regardless of whether any visible results can be discerned. 〔A〕 afforded〔B〕 affording〔C〕 to afford〔D〕 can afford从上例我们可以看出afford一般与can和can't或could和couldn't连用.2. 动词＋疑问代(副)词＋不定式这类动词常见的有：advise,decide, discuss, find out, forget, inquire, know, learn, regard, remember, see, settle, teach, tell, think(=consider), understand, wonder等.这些疑问代(副)词有what, when, where, which, how, whether等,但不包括why,如：? ? He does not know how to go there? when to speak before strangers.? who(m) to visit.? which one to choose.? You can decide whether to go forward or stay here.? when to see a doctor.? I will show you what to do.? where to go.? how to deal with it.其中,1)和2)中不定式的逻辑主语仍是句子的主语,分别为He和You；而3)中不定式的逻辑主语则不是句子的主语I,而是宾语you.9) The director of this organization must know .〔A〕 to manage money, sell his product and beable to satisfy stockholders〔B〕 managing money, selling, and be able to satisfy the stockholders〔C〕 how to manage money, sell his product, and satisfy the stockholders〔D〕 money management, selling and being able to satisfy the stockholders10) To tell you the truth, I really don’t know how deal with a man like him.〔A〕 can I〔B〕 well〔C〕 to〔D〕 much3. 有时,不定式跟作主语时一样,可由it来代替,而把不定式放到后面去He makes it a rule to take a walk before breakfast.I think it interesting to play football while it is snowing hard.We find it difficult to get everything ready before the time you require.She cosiders it important to make friends with them.I don't think it necessary to argue with them on this problem.4. 有时THERE和TO BE连用表示“有”或“存在(某情况)”等It is impossible for there to be any more.Would you like there to be a meeting to discuss the problem?I expect there to be no argument about this?有时在个别的介词后可用“疑问词＋不定式结构”作其宾语He has his own decision of how to do it.三、 不定式作表语1. 一种情况为主语是不定式(表示条件),表语也是不定式(表示结果)To see is to believe/ To work means to earn a living. 2. 另一种情况主语是以aim, duty, hope, idea, happiness, job, plan, problem, purpose, thing, wish等为中心的名词,或以what引导的名词性从句,不定式表语对主语起补充说明作用His wish is to buy a luxurious car in the near future. / The boss's plan is to start building the skycraper immediately. / What I want to say is to get rid of the plan forever.11) The function of Louis Sullivan’s architecture was providing 〔A〕 large uninterrupted floor areas 〔B〕 and to allow ample light 〔C〕 into the interior 〔D〕 .12) The most important 〔A〕 thing is negociate 〔B〕 with them about 〔C〕 the future of 〔D〕 the plant.四、 不定式作定语1. 不定式作定语修饰名词或代词,它只能放在它所修饰的名词或代词后面.这时被修饰的名词与不定式之间有逻辑上的主谓关系13) The flexibility of film allows the artist unstrained imagination to the animation of cartoon characters.〔A〕 to bring〔B〕 bringing〔C〕 is brought〔D〕 brings14) Billie Holiday’s reputation as a great jazz?blues singer rests on her ability emotional depth to her songs.〔A〕 be giving〔B〕 are given〔C〕 being given〔D〕 to give 另外,有些词的不定式定语有主谓关系,如除了上述例句以外,还有些词常跟不定式作定语.这些词主要有decision (to make), (a) need (to eat), opportunity (to speak),reason(to learn a foreing language), time (to sth)等.2. 动词不定式作定语往往有一层动宾关系,即所修饰的名词是不定式的宾语15) Alice was having 〔A〕 trouble to control 〔B〕 the children because there were 〔C〕 so many 〔D〕 of them.16) There are so many reference books for matriculation of postgraduate and I haven't decided which book .〔A〕 to buy〔B〕 buy〔C〕to be buying〔D〕 buying17) Astronauts can be affected by loneliness for they have to sit in the spacecraft for weeks with very little and no one .〔A〕 to do … to talk〔B〕 doing … to talk to〔C〕 to do … to talk to〔D〕 doing… to talk3. 因为不定式所修饰的名词是不定式的宾语,所以如果不定式动词是不及物动词,那么就要在动词后加上相应的介词He has a lot of trifles to deal with./ I had got no place to live in./That girl has nothing to worry about./the subject to concentrate on. / He has a strict teacher to listen to. / She has four children to look after. / She had a sick mother to live with. / This is the very person to sell your ticket to.18) Although the lecture had already been on for five minutes, I still was not able to find a chair .〔A〕 to sit〔B〕 for to sit on〔C〕 to sit on〔D〕 for sitting4. 一些表示企图、努力、倾向、目的、愿望、打算、能力、意向等意义的名词后面要求接不定式作其定语,如：ability, attempt, effort等19) During 〔A〕 the 19th century scientists found 〔B〕 that when certain parts of the brain were damaged 〔C〕 men lost the ability doing 〔D〕 certain things.20) What is new, however, is the scientific attempt whether other planets beyond our own have given birth to advanced civilizations.〔A〕 discover〔B〕 discovers〔C〕 discovering〔D〕 to discover21) Surely her daughter would make an even bigger effort her?〔A〕 please 〔B〕 pleased 〔C〕 to please 〔D〕 having pleased五、不定式作状语 注意作状语的动词不定式要与其逻辑主语在意义上和数上的一致.1. 表示目的22) its plans to promote disarmaments,the party has decided to establish a campaign headquarters with Benjamin Seaman as its leader.〔A〕Although〔B〕To carry out〔C〕Except that〔D〕 Make23) pure lead,the lead ore is mined,then smelted,and finally refined.〔A〕 Obtaining〔B〕 Being obtained〔C〕 To obtain〔D〕 It is obtained24) When they met,Leonardo and his enemy were fighting . 〔A〕killed each other〔B〕killing each other〔C〕to be killed each other〔D〕to kill each other2. 表示结果,在这种情况下,不定式的逻辑主语也是全句的主语He must be cripple not to walk by himself./It seems that the employee didn't sleep at all to be so sleepy in the early morning. / What have I done for you to deserve such an amount of money?还有固定搭配的不定式表示结果：so… such(…) as to …; enough to…; too…to…; in order to … 等We have got so plenty of food as to treat our guests./ Is that room big enough to seat all of us?/ He is too young to fit that job.3. 表示原因It's very kind of you to say so. / I am pretty pleased to hear the news that you are elected as the president of the club. / I'm sorry to interrupt you. / They are quite surprised to see the great changes taking place in the area.4. 伴随状况在下列表示能力、愿望、倾向等语义的形容词后边也要接不定式：able(但其同义词“ capable”后面要接“of+动名词”),anxious, eager, glad, inclined(倾向于),liable, likely, pleased, ready等.25) Certain 〔A〕 minerals are magnetic and are able to detected 〔B〕 by instruments that measure 〔C〕 differences in the Earth’s magnetic fields 〔D〕 .六、 在复合结构中的不定式不定式的复合结构是指有些动词带宾语后再带上不定式,作宾语的补足语.前边已提到过,在这种结构中宾语是不定式的逻辑主语.1. 有很多这样的动词可以跟宾语及其(或)补足语不定式,如：advise, allow, ask, enable, beg, cause, drive, encourage, expect, forbid, force, hate, get , intend, invite, like, permit, persuade, pretend, remind, say, teach, tell, trust, urge, want, warn等表示“致使”等意义26) The company manager may enable the men who tend the machines a large panorama(全景) of possibilites.〔A〕 to see〔B〕 see〔C〕 seeing〔D〕 seen27) Did you intend us the new method?〔A〕 to use 〔B〕 using 〔C〕 our having used 〔D〕 the using of28) The teacher encouraged good compositions.〔A〕 us write〔B〕 us writing〔C〕 us to write〔D〕 our wrting2. 在某些成语动词如 arrange for, call on, care for, count on, count upon, depend upon, long for, prepare for, prevail upon, rely on, vote for, wait for等后面,也可以跟宾语加不定式的复合结构We are waiting for the bus to come./ They voted for Wang Gang to be the monitor. / Don't count on me to do that.3. 另外,表示感觉的动词 see, hear, feel, watch, notice, observe和have, let, make后的宾语可接不带to的不定式(help后不定式可带to也可不带to)29) I often heard him that his family was well descended. 〔A〕 said〔B〕 say〔C〕 to say〔D〕 to be said30) We must have a person them build the house. 〔A〕 see〔B〕 to see〔C〕 will see〔D〕 shall see31) You would become irritated 〔A〕 if you watched 〔B〕 the correspondence to pile up 〔C〕 on your desk day by day 〔D〕 .4. 表示心理状态的动词像consider, declare, find, prove, think, know , believe, discover, feel(=think), imagine, judge, pretend, suppose, understand等词的宾语补足语不定式一般是to be(或动词的完成时态)32) “You’ve been taking a lot of nice photographs.”“Thanks. I’m considering a professional photographer.”〔A〕 becoming〔B〕 about become〔C〕 to become〔D〕 over becoming而且,在consider, declare, find, prove, think等动词后的to be 是可以省去的.如： She considered me a scholar. / They found him gulty.七、不定式的完成式、进行式和完成进行式：这三类在考研题中出现的频率很高,要特别注意不定式的这三种形式 1. 如果不定式所表示的动作与主要谓语所表示的动作(状态)同时(或几乎同时)发生或发生在主要谓语之后,那么用不定式的一般形式He received a warm welcome from the Australians and from his family who had flown there to meet him. In 1967, he arrived back in England, where a quarter of a million people were waiting to welcome him.After all, eighty was a special birthday, another decade lived or endured just as you chose to look at it. Now suddenly she began to sob, holding herself in as if weeping were a disgrace.2. 如果不定式所表示的动作(状态)发生在主要谓语动词或特定的某时间之前,那么不定式就要用其完成式She feels relaxed to have finished writing her thesis before the deadline.33) The Vikings are believed America.〔A〕 to have discovered〔B〕 in discovering〔C〕 to discover〔D〕 to have been discovered34) The students were to at the auditorium before 1:30 pm, but the lecture was cancelled at the last minute.〔A〕 assembled 〔B〕 have assembled 〔C〕 assembling 〔D〕 be assembled35) He was to the new ambassador, but he fell ill.〔A〕 having telephoned〔B〕 have telephoned〔C〕 has telephoned〔D〕 telephoning3. 不定式进行式表示主要谓语动词所表示的动作(情况)发生时,不定式所表示的动作正在发生When he came in, I happened to be doing my experiment in the lab.Why do you stand here? You are supposed to be working in the workshop.4. 不定式完成进行式表示其动词所代表的动作,在主要谓语动词所代表的动作之前一直在进行The students from the Department of Sociology are said to have been investigating the possibility of producing the new product.They are quite happy to have been cooperating harmoniously with us till now.八、不定式的被动形式当不定式的逻辑主语是动作的承受者时,这个不定式要用被动式,包括它的一般式和完成式36) Here we found little snow, as most of it seemed blown off the mountain.〔A〕to have been〔B〕to be〔C〕that it was〔D〕that it had been37) For twelve years, Spanish censorship did not allow Lorca’s name or his works .〔A〕 to be published〔B〕 to publish〔C〕 being published〔D〕 to be published38) There is,it seems 〔A〕 , no 〔B〕 limit to the satisfaction to be finding 〔C〕 in the pursuit of knowledge 〔D〕 .九、不定式的否定形式：否定形式是在不定式的标志to前边加not39) that new information to anyone else but the sergeant. 〔A〕 They asked him not to give〔B〕 They asked him to don’t give〔C〕 They asked him no give〔D〕 They asked him to no give40) Please remember lights on in the future.〔A〕 don’t leave 〔B〕 not to leave 〔C〕 not leaving 〔D〕 don’t to leave41) The teacher told 〔A〕 the students to don’t 〔B〕 discuss 〔C〕 the take?home exam with each other 〔D〕 .十、介词except和but(作“只有……,只能……”讲时)跟不定式结构(but与不带to的不定式连用)He seldom goes back home except to ask for money from his parents.He did nothing there except watch TV for the whole night.(不带to的不定式)I had no choice but to stay in bed. Last night I did nothing but prepare my lessons.42) Lots of empty bottles were found under the old man’s bed.He must have done nothing but .〔A〕 drink〔B〕 to drink〔C〕 drinking〔D〕 drunk43) When the streets are full of 〔A〕 melting 〔B〕 snow, you cannot help but getting 〔C〕 your shoes wet 〔D〕 .十一、例题解析1) A错. 改为To derive.2) A为正确答案.3) C为正确答案.4) B错.改为to concentrate.5) A为正确答案.6) C为正确答案.“to be known”后通常接不定式,与此类似的尚有“to be said”等.7) B错.改为to land.因为manage后只能跟带to的不定式作宾语.8) D为正确答案.9) C为正确答案.因为know须接带特殊疑问词的动词不定式.10) C为正确答案.11) A错.改为to provide,根据平行原则,A处和“to allow…”是并列的表语,故A处也应用不定式.12) B错.改为to negociate.13) A对.不定式短语“to bring…characters”充当宾语“the artist”的定语.“allow sb.to do sth.”是固定搭配,还有类似的其他动词.这句话的意思是：在动画片摄制过程中,影片的灵活性能使艺术家充分施展其想象力.14) D为正确
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扫描下载二维码英语什么时候用过去式什么时候用过去分词什么时候用现在分词
以下是过去分词的用法：过去分词表示“被动和完成”(不及物动词的过去分词不表示被动,只表示完成).分词可以有自己的状语、宾语或逻辑主语等.1)分词作状语分词在句子中作状语,可以表示时间、条件、原因、结果、让步、伴随等.分词做状语时,它的逻辑主语与句子的主语一致.作状语的分词相当于一个状语从句.【例如】 Accompanied by his friend,he went to the railway station.2)“while ( when,once,until,if ,though等连词)＋过去分词”结构作状语时,有时可以在分词前加while,when,once,although,until,if等连词.【例如】 Once recovered,he threw himselfsintoshis work and made every effort to do it well.3)分词作定语分词作定语时,单个的分词通常放在被修饰的名词之前,分词短语一般置于所修饰的中心词后面.过去分词修饰承受该动作的名词(即与名词是动宾关系).【例如】 We will go on with our experiment as soon as we get the added fund.We can see the part of the moon lighted by sunlight.4)过去分词可以在allow,ask,consider,desire,expect,feel,find,get,have,hear,imagine,keep,like,make,observe,order,permit,prefer,remember,request,require,see,urge动词等后面作宾语补足语.【例如】 After my encounter with her,I found myself greatly shaken.You should keep her informed of what is going on here.The teacher expected the students well prepared for the examination.5)分词作表语分词作表语通常看作形容词来用.现在分词表示主语的性质,而且主语多为物；过去分词表示主语的感受或状态,主语多为人.【例如】 The film“Pearl Harbor”is really exciting.I am excited about it.一般过去式的用法 1）在确定的过去时间里所发生的动作或存在的状态.时间状语有：yesterday,last week,an hour ago,the other day,in 1982等.Where did you go just now?2）表示在过去一段时间内,经常性或习惯性的动作.When I was a child,I often played football in the street.Whenever the Browns went during their visit,they were given a warm welcome.3）句型：It is time for sb.to do sth "到……时间了" "该……了" It is time sb.did sth."时间已迟了" "早该……了" It is time for you to go to bed.你该睡觉了.It is time you went to bed.你早该睡觉了.would (had) rather sb.did sth.表示'宁愿某人做某事' I'd rather you came tomorrow.4) wish,wonder,think,hope 等用过去时,作试探性的询问、请求、建议等.I thought you might have some.我以为你想要一些.比较：一般过去时表示的动作或状态都已成为过去,现已不复存在.Christine was an invalid all her life.(含义：她已不在人间.) Christine has been an invalid all her life.(含义：她现在还活着) Mrs.Darby lived in Kentucky for seven years.(含义：达比太太已不再住在肯塔基州.) Mrs.Darby has lived in Kentucky for seven years.( 含义：现在还住在肯塔基州,有可能指刚离去) 注意：用过去时表示现在,表示委婉语气.1）动词want,hope,wonder,think,intend 等.Did you want anything else?I wondered if you could help me.2）情态动词 could,would.Could you lend me your bike?
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过去式只能做句子的谓语【时态】，过去分词和现在分词 都是非谓语形式，除了不做谓语，其它都行
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