高中英语语法知识词法部分讲解连词.doc

高中英语语法知识词法部分讲解---------连词及练习一、概念连词(conjunction.)是用来连接单词,短语,从句或句子的词连词是虚词，所以不作成分二、连词的分类：1.连词按其构成分为： 1)简单连词, 如: and, or, but, if, because ect. 2)关联连词, 如:both…and, not only…but also ect. 3)分词连词, 如: supposing, considering, provided ect. 4)短语连词, 如:as if, as long as, in order that ect.2.连词按其性质分为 1)并列连词, 如: and, or, but, for ect. 用来连接并列的单词、短语、从句或分句 2)从属连词, 如: that, whether, when, although, because ect. 用来连接名词性从句或状语从句三、连词的用法：并列连词:1.表示并列关系的连词有: and, both…and…, not only… but also…,neither…nor…和as well as等。

1) and: 和,并且A:基本用法:"and"表示 "和","并且"的意思,用来连接对等关系的字和字,片语和片语,句子和句子.eg.①I enjoy basketball , football and table tennis. ②The weather becomes colder and colder.③He didn’t go and she didn’t go either. 他没去，她也没去B:特别用法:祁使句后连接and,有条件句作用,此时and=if you…, you'll… eg.Go straight on, and you'll see the library.=If you go straight on, you will see the library.2) both…and… : 既…也…,(两者)都…A.Both A and B + 谓语 (构成的词组作主语时,谓语动词用复数)eg.① Both Jim and Kate are from England. ② He both speaks and writes Spanish. ③ A man should have both courage and perseverance. 一个人即应有勇气也要有毅力。

④ Both New York and London have traffic problems. 纽约和伦敦都存在交通问题B.both…and…否定句表示部分否定.eg.①You can't speak both German and English. ②Both my father and my mother aren't doctors.3) neither…nor… :既不…也不…** Neither A nor B + 谓语( 与B相一致, 即连接两个并列主语时,谓语动词即采取就近原则)eg.①Neither I nor he has seen the play before. ② She couldn’t speak the language, nor could she write it.③She could neither speak the langauge nor write it. ④ He moved steadily, looking neither left nor right.⑤The weather is mild today; it is neither hot nor cold. 今天天气很温暖，不冷也不热。

4) not only…but also… :不但…而且…Not only A but also B + 谓语 ( 与B 相一致, 即连接两个主语后的谓语动词也遵循就近原则)eg.①Not only the mother but also the children are ill. ②It was noy only unkind but also untrue.5) as well as: 也; 还有A.基本用法: 常可连接两个并列的成分 A as well as B + 谓语( 与A 相一致) +…. eg.①Lily as well as Betty was in the room. ②It is important for you as well as for me.③It is important for you as well as for me. 这对你和对我都很重要B.特殊用法: as well as + 动名词, 有时可译为“(不仅)而且”, “除了……还”eg.① Smoking is dangerous, as well as making you smell bad. 1.② As well as breaking his leg, he broke his arm. ③ She sings as well as playing the piano.2.表示转折关系的连词有:but, however, yet, still,while等.1) but : conj. 而; 相反; 然而; 除……外；只有 A. 基本用法: 连接两个并列成分、并列分句。

eg.① Not you but I am to blame. ② They see the trees but not the forest. ③ Mary was a nice girl, but she had one shortcoming. ④ She pretended to be angry, but she was not. ⑤Someone borrowed my pen, but I don’t remember who. 有人借了我的钢笔，但我不记得是谁了B. 特殊用法: 用在某些否语后, 表示 “ 只……”eg.① He eats nothing but hamburgers. ② She knows no one but you. ③No one but me saw her. ④ I had no choice but to sign the contract. ⑤ You have nobody but yourself to blame.2) however : adv. (连接副词)(1) 但是; 不过 eg.①He said that it was so; he was mistaken, however.②Your composition is fairly good, however, there is still some room for improvement.(2)不管……怎样（如何） eg.① They will never succeed, however much they try. ② However cold it is, she always goes swimming. ③ He wanted to take no risk, however small.④ However carefully I explained, she still didn’t understand. ⑤He knew what he wanted; however he didn’t know how to get it.(3) however: adv. (疑问副词)怎样 eg. However did you know that? / However did you find it?3) yet: conj. 但是; 却; 尽管; 然而A.基本用法: 连接词、短语、并列句等。

eg.①It is strange yet true. ② They are the same, yet not the same.③Tom got up early, yet he failed to catch the train. ④ I have failed, yet I shall try again.⑤He said he was our friend, yet he wouldn’t help us. 他说他是我们的朋友，但却不肯帮助我们B.特殊用法: (1)and yet : 然而; 可是 eg. ① He’s pleasant enough, and yet I don’t like him. ② He has a good job, and yet he never seems to have any money.(2) yet 可与although/though 连用 eg. Although it was dark, yet he still went on his trip on foot.yet : adv. (1) 还 (多用于否定句) eg. ①The moon had not yet risen. ②I haven’t enough time yet.(2)已经 (疑问句) eg.① Has he come yet?” “No, not yet.” ② Did you eat yet?(3)早晚;总有一天 (与could; might; may ect.连用, 表示将来还可能发生某事)eg.① He may come yet. ② The plan may yet succeed. ③ We may win yet. ④ She could yet surprise us all.4) still : adv.仍然; 仍旧;还 (连接副词)eg.① He was very tired, still he kept on walking. ② He tried hard to look for it,still he couldn’t find it.5) while : conj. 然而; 而 (对比两件事物,意思接近whereas)eg.①Jane is hard working ,while her sister is quite lazy. ②I like tea while she likes coffee. ③Some people waste food while others haven’t enough.3.表示选择关系的并列连词有:or, either…or…,whether… or…等。

1) or: 或,否则A:基本用法: or 表示 "或" 的意思,使用于两者之中选择一个的时候a)连接两个名词: eg.① Would you like coffee or tes?②----Is your friend English or American? ----American. ③He doesn't like dumplin。