高中英语一轮复习语法第5讲:连词

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1、高中英语一轮复习语法 连词(Conjunctions)重点用法 常用的并列连词用法:1.并列连词用来连接平行对等、互不从属的词、短语或分句,可表示并列、转折、选择或因果等关系。常见的并列连词的用法如下:2.and意为“和,并且”,用于连接对等关系的词、词组或分句;常用于句型“祈使句+逗号+and.”。Tom and I went to the bookstore yesterday. and连接两个并列的词我和汤姆昨天去了书店。He stood up and put on his hat. and连接两个动作他站起来,戴上了帽子。Fishing is his hobby,and collect

2、ing coins also gives him great pleasure. and连接两个分句他爱好钓鱼,收集硬币也令他感到快乐。Try again,and youll succeed. 在祈使句中,and前面的部分用来表示条件再试一下,你就会成功的。3.or和or else表示选择关系。表示两者之间选择其一,意为“或者”;用于祈使句时,意为“否则,不然”。Tom or I am right.或者汤姆,或者我是对的。Hurry up,or else youll miss the last bus.快点儿,不然你就会错过最后一班车。Put on your overcoat,or you w

3、ill catch cold.穿上衣服,要不然你会着凉的。4.but意为“但是,可是,而是”,连接两种并列成分,表示转折关系,不能和although连用。It was a sunny but not very warm day.那一天天气晴朗,但却不太暖和。5.so意为“所以,于是,也,同样”,表示结果,连接句子。It was too dark,so I couldnt see anything.天太黑了,我什么也看不见。6.for意为“因为”,表示原因,连接句子。I soon went to sleep,for I was tired.我很快就入睡了,因为我太累了。7.both.and意为“

4、和,既也”,由它构成的词组作主语时,谓语动词要用复数形式。Both Lucy and Mary are ten.露西和玛丽都10岁了。Both he and his brothers are good at dancing.他和他的兄弟们都擅长跳舞。8.either.or意为“或或;不是就是”,由它构成的短语作主语时,谓语动词随or后面的词而定(就近原则)。The shoes were either too big or too small.鞋子要么太大,要么太小。Either you or he is right.不是你,就是他是对的。9.neither.or意为“既不也不”,由它构成的短语

5、作主语时,谓语动词随nor后面的词而定(就近原则)。It is neither hot in summer,nor cold in winter.夏天不热,冬天不冷。Neither he nor I speak a foreign language.他和我都不会说外语。10.not only.but also意为“不但而且”,由它构成的短语作主语时,谓语动词随but also后面的词而定(就近原则)。Jane is not only beautiful but also kind.简不但漂亮,而且人也非常好。Not only the students but also the teachers

6、 was against the plan.不但学生,而且老师也反对这个计划。11.as well as.意为“又,不但而且”,由它构成的短语作主语时,谓语动词随其前面的词而定。Mr.Lin as well as his parents joins in the party.不但林先生的父母,而且林先生也参加宴会。提示:在口语中,and常用在come,go,run,stay,try等之后表示目的,and在此相当于不定式符号to。Go and ask him.去问问他。Try and finish the work in a month.设法在一个月内完成这项工作。重点用法 常用的从属连词用法:

7、1.that无词义,用于引导名词性从句(主语从句、表语从句、宾语从句、同位语从句)和定语从句。I think that she is tired.我想他累了。The trouble is that Ive lost his address.麻烦是我把他的地址丢了。2.when,while和as意为“当时”,用于引导时间状语从句,都可表示从句和主句的动作同时发生,when也可表示先后发生。While I read,she sang.我在看书时,她在唱歌。When/While/As he was doing his homework,I came in.当他写作业时我走了过来。There were

8、 chairs left over when everyone had sat down.当大家就座后还剩下几把椅子。3.since意为“自从以来”,引导时间状语从句。从句用一般过去时,主句多用一般现在时或现在完成时。Many things have happened since I last saw him.从我上次见到他以来发生了很多事。How long is it since we last went to the theatre?我们多久没去看戏了?4.as soon as意为“刚一就”,引导时间状语从句。从句用一般现在时表示将来发生的动作或状态。As soon as I get th

9、e present,Ill tell you.我一收到礼物就告诉你。Ill tell Ann the good news as soon as she comes back.安一回来,我就告诉她这个好消息。5.before意为“在之前”,after意为“在之后”,都可引导时间状语从句。Did she leave a message before she went?她走之前留言了吗?I found her bag after she had left.她走了以后,我发现了她的包。6.till和until意为“直到时”,可引导时间状语从句。一般认为till不如until正式,在书面语中不常用。句首

10、通常用until。Can you wait till/until I come back?你能等到我回来吗?He didnt finish his homework until his mother came back. finish是点动词,故用否定句。直到他妈妈回来,他才完成作业。7.because意为“因为”,引导原因状语从句。常用于回答why引导的特殊疑问句,不能和so连用。I did it because my mother told me to.妈妈吩咐我去做这件事,我才做的。-Why are you late?你为什么迟到?-Because I met a traffic acc

11、ident on my way here.因为我在来这儿的路上遇到了车祸。8.if意为“如果”,引导条件状语从句。If necessary I will come at once.如果有必要,我会马上来。9.though和although意为“虽然”,引导让步状语从句。它们都不能与but连用。Though I was tired,I still worked hard.虽然我很累,但我仍然努力工作。10.so.that意为“如此以至于”,引导结果状语从句。that后面跟的从句是否定句时,可与too.to互换。The box is so heavy that I cant lift it.=The box is too heavy for me to lift.箱子太沉了,我抬不起来。提示:though,although和as都可以表示“虽然”,引导让步状语从句。as引导的从句要用倒装语序,即把从句中的表语、状语或动词原形放在as之前。though和although放在句首时用法相同,但如放在句末时用though,不用although,且前面有逗号。这几个词均不能与and,but连用,但可与yet连用。Try as she might,she couldnt open the door. as引导的让步状语从句要用倒装语序。她试过多次了,可仍然打不开那门。5

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