专升本英语讲解—非谓语动词课件.ppt
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1、专升本英语讲解非谓语动词非谓语动词动名词动名词分词分词现在分词现在分词过去分词过去分词动词不定式动词不定式 一、不定式 肯定式:肯定式:to do sth 否定式:否定式:not to do sth. 被动式:被动式:to be done 完成式:完成式:to have done 1.不定式做主语 To see is to believe. It is + 形容词 + for / of sb + 不定式结构a.在of sb 结构中,表示人物的性格和特征b.在for sb 结构中,表示事物的性质比较It is good of you to help me.It is good for you t
2、o give up smoking. 2.不定式做宾语不定式做宾语 v+to do sth 常见的动词有:want, demand, like, hate, hope, begin, seem, fail, help, offer, manage, pretend, promise, prepare, learn, expect, agree, determine, intend, etc. I agreed_ ( go ) there with the doctor. 3.不定式做宾语的补足语 v+sb.+ to do sth 常见的动词有;ask,get, allow, forbid, a
3、nnounce, force, request,advise, pray, recommend,remind, beg等 Illgetsomeonetorepairthebike. 常见的带介词常见的带介词to的短语:的短语:be used to 习习惯惯 be related to 与与有关有关get down to 着着手做手做 put ones mind to 全全神贯注于神贯注于 be opposed to 反对反对 devote oneself to 献身于献身于 look forward to 盼望盼望 object to 反对反对 stick to 坚持坚持 pay attent
4、ion to 注意注意 注:有些动词要省掉注:有些动词要省掉to的不定式的不定式,主要有:主要有: A.感官动词,如hear,see, observe, watch, feel等 He saw the boy climb the tree. B. 使役动词,如make,let,have 等 he made me cry. 比较 I was made to cry.4.不不定式作定式作定语定语The next train to arrive was from New York.5. 不不定式作定式作状语状语,表表示行为的目的、结果、示行为的目的、结果、原因、条件原因、条件等。等。Im savin
5、g to buy a computer.He got to the station only to find the train had gone.6.不定式做表语Our duty is to study.1.Let me _(help) you _ (water) the flowers.2. Though he often made his deskmate _(cry), today he was made _(cry) by his deskmate.3. I saw him _ into the small store.A. wentB. goingC. to goD. has go
6、ne4. Tell the boy _ out of the window.A.not to look B. to not lookC. dont lookD. not look 二、动名词二、动名词 1. 动名词做主语动名词做主语 Seeing is believing. = To see is to believe. 注:注: 为了保持句子平衡,通常用先行词为了保持句子平衡,通常用先行词it作形式主语,而把真正的主语放在句末。作形式主语,而把真正的主语放在句末。 (Arguing about it) is a waste of time. Its a waste of time argui
7、ng about it.动词动词-ing形式作主语的几个常用句形式作主语的几个常用句型。型。It is + no use, no good (fun, a great pleasure, a waste of time)等名词+doing sth. It is no use crying.It is + useless (nice, good,interesting, expensive等形容词)+ doing sth Its worth making an effort. 2.动名词做表语Her job is keeping the lecture hall. 3.动名词做宾语v+ Ving
8、 avoid, miss, put off, postpone,suggest, finish, practice, enjoy, imagine, cant help,admit, deny,escape, risk, excuse, keep, mind 词组有admit to/ get used to /devote oneself to/ object to /stick to/keep on /insist on /be busy /look forward to/ be tired of/be capable of Go on to do 做完一件事后,接下去做另外一件事 go o
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