高考英语语法金点拨 非谓语动词
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2012高考英语语法金点拨:非谓语动词的动作同时进行;进行式所表示的动作正在进行;而完成式所表示的动作则在谓语动词的动作之前发生。
2.动词ing的一般式所表示的动作在谓语动词之前、后或同时进行要看语境;而完成式所表示的动作在谓语动词之前发生。
He came here to borrow a book. I pretended to be reading when mother came in.She is said to have been sent to Europe on business Being a student, he was interested in books.Having done his homework, he went to bed. The question being discussed is important.一.不定式和-ing形式作主语的区别1.-ing和不定式都可以作主语,-ing作主语表示一般或抽象的多次性行为,不定式作主语往往表示具体的或一次性的将来动作。
Smoking is forbidden here.这里禁止抽烟。
(抽象) Learning a foreign language is very useful.It is not very good for you to smoke so much.你抽这么多烟对你身体很不好。
(具体) 2.不定式做主语,一般用it当形式主语,把作主语的不定式短语后置。
常见句型有it is adj. (of/for sb.) to do sth.It took will and patience to do anything well. It is nice of you to say so. 3..-ing在“It is no use/ no good/useless + doing”结构中作主语,it为形式主语。
It is no good writing to him; he never answers letters.写信给他不妥,他从来不回信。
It is no good crying the spilt milk.覆水难收4.. 主表对称原则Seeing is believing. To see is to believe.二.不定式和ing形式作宾语的区别1.-ing形式作宾语通常表示一般的、经常性的行为,而不定式作宾语表示特定的、具体的、一次性动作I like swimming , but I don’t like to swim today.2. 1)有些动词或短语要求只接不定式作宾语:hope/ manage/ refuse/ pretend/ plan/ offer/ decide/ agree/ fail/ afford/ happen/ would like /would love / be likely + to do2)有些动词或短语只接ing作宾语:admit 承认; excuse 原谅; practise 练习;appreciate 欣赏; finish 完成; prevent 防止; avoid 避免; forgive 宽恕;delay 耽搁; imagine 想象; keep 保留; risk 冒险; dislike 讨厌; mind 在意; miss 错过; suggest 建议; enjoy 喜欢;can’t stand 忍不住; feel like 想要;give up 放弃; put off 推迟;object to反对; look forward to期望, keep on一直, set about 着手,She finished reading the book (看完这本书)yesterday.Will you admit having broken the window? 你承认不承认打破了窗户?He put off making a decision till he had more information. 在获得详情之前,他没有急于作出决定。
Do you feel like taking a walk? 你要不要去散步?We are looking forward to coming to China. 我们期待着来中国。
Do you mind my smoking in the room?你介意我在室内吸烟吗?三.作宾补时,三者的区别1.有些动词接不定式作宾补:(和宾语有主谓关系强调动作将发生或已经完成;表一次性动作)①Tell/ order/ persuade/ invite/ force /warn/ encourage/ get/ ask + sb to doHe asked me to finish it in time. The teacher told me to clean the blackboard.②feel(一感); hear\ listen to(二听); have \ make\ let(三使);see\ watch\ observe\ notice\ look at\ find (六看) + sb do等感官使役动词后不定式作宾补省略to,但被动以后要还原to.I heard him call me several times. I heard her sing the song many times. Tom was made to sing.2.有些动词接ing作宾补: feel(一感); hear\ listen to(二听); have \get \ leave\keep (四使);see\ watch\ observe\ notice\ look at\ find (六看) +sb doing (强调动作主动,正在进行,或尚未完成;延续性动词)I found her listening to the radio. I heard her singing the song when I passed her room.3. 有些动词接过去分词作宾补:feel(一感); hear\ listen to(二听); make\ let \get\ have\ leave\ keep\ (六使);see\ watch\ observe\ notice\ look at\ find (六看) +sb done(表动作被动完成,多强调状态)Speak louder so that you can make yourself heard. We found the village greatly changed.I heard the song sung in English many times.四.做表语时三者的区别1.不定式作表语一般表示具体动作,特别是表示将来的动作。
My job is to help the patient.(说明主语具体内容) His wish is to buy a sleeping car in the near future.2 -ing形式作表语:①表示抽象的、一般性的行为。
(说明主语具体内容,主表可换位)His hobby is collecting stamps. Her job is looking after the child.②表“令人如何如何”(主语所具有的特征),如: astonishing\ exciting\ moving\ surprising\ tiring\ interesting\ amusing\ shocking\ worryingHis report is interesting. The music sounds exciting.3 V-ed:(主语所处的状态)表“让人感到如何如何”如:astonished\ excited\ moved\ surprised\ tired\ interested\ amused\ shocked\ worried\disappointed\ drunk\ frightened\ married\ confused\ pleased\ puzzled\ satisfied等The cups are broken. She is interested in the job.Cleaning women in big cities usually get paid by the hour.五.作定语时,三者的区别1.不定式作定语表未来的动作且后置,若为动宾关系,动词须为及物动词,常常修饰代词anything/something/noting,名词 chance/ opportunity等或由序数或形容词最高级修饰的名词。
You are the third one to enter the room. I have something important to say.I need a pen to write with. The question to be discussed tomorrow willbe important.2.-ing作定语①多位于其前表示其性能、用途(无时间性可换为for+doing)He has a reading room. a sleeping car(a car for sleeping)②表正在进行(主谓关系)即主动进行,可换为定语从句;a sleeping boy The girl gathering flowers is beautiful.The question being discussed now is important.3.过去分词作定语有(动宾关系,表完成)即被动完成,可换为定语从句。
a broken cup The question discussed yesterday is important.All the people invited to the meeting are VIP.(All the people who are invited to the meeting are VIP. )We can see a lot of fallen leaves on the ground.(We can see a lot of leaves which have fallen on the ground. )六. 作状语时,三者的区别1不定式作状语通常表示①原因(谓动之前) ②目的(谓动之后)(可用so as to/in order to 替换) ③结果/程度(意想不到的结果,常为only to do)We were very excited to hear the news.(原因) To get there on time I got up very early. (目的)He travelled around the world to give lectures.(目的)He rushed to school only to find there was nobody there.(结果)You are brave enough to raise objections at meeting.(程度)2-ing或过去分词作状语通常表示①原因②时间③条件④让步⑤结果⑥伴随(逗号)(主语一致性;-ing表主动,过去分词表被动)Hearing a sound ,the baby stopped crying. (原因) Given an apple, the child stopped crying. (条件)Not satisfied with the result, we decided to do the experiment again.(原因)Having lived in the country for many years, she knows how to grow vegetables.(原因)Not having received any news from home for a long time ,she is becoming more and more homesick.(原因)When/If heated, ice will be changed into water.(条件)Seen from the top of the mountain, the village looks very small.(时间)Being very small, computers are widely used.(原因)His parents died, leaving him an orphan.(结果) He cut off the electricity , preventing an accident.(结果)The teacher entered the room ,followed by some students.(伴随)The teacher entered the room, following some students.(伴随)非谓语动词特殊用法:一.下列情况用不定式:①.sth. be adj(hard\difficult\easy\heavy) to do The question is difficult to answer.②.sb. have sth. to do I have a lot of work to do.③.There be sth. to do\to be done There is nothing to talk about.④.find (think\feel\consider\make\believe)it adj to do sth⑤There is no need to do.⑥一般介词后面不可用不定式作宾语,(except, but除外)He has no choice but to lie down and sleep. She did nothing but cry. 注:不定式作结果/程度状语常见五种结构:①so….as to do 如此…以致②such…as to do如此…以致③enough(…)to do 足以④too…to do… 太…而不能⑤only to do 结果/未曾料到------做了某事二.在“have difficulty (trouble, problem, a hard time, fun, a good time) (+in) + doing; be busy (in) +doing;There is no point (in) + doing”等结构中, in常要省去。