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1、2012中考英语步步高精品：单项选择考点【连词考点常考点透视】 考点透视一、并列连词1.表示“添加”的有and(和)，both . and .(和)，not only . but also .(不仅而且)等1)在否定句中列举并列成分不用and，而要用or。He cant read or write.他不会读书和写字。Theres no air or water there.那里没有空气和水。有时也可以用and no来表示。Theres no air and no water there.2)在“祈使句，+and +简单句(一般将来时)”结构中祈使句表示条件，相当于if引导的条件句，整个句子可以
2、改为含if的复合句。Now stop blowing and youll find the glass clear again. = If you stop blowing, youll find the glass clear again.3)not only . but also . 并列两个名词或代词，可以作主语、宾语、谓语、表语等。She can speak not only English but also French. 她不但会说英语也会说法语。The pianist not only gave them a lot of advice but also played some
3、wonderful pieces for them. 那位钢琴家不仅给他们一些指导而且还亲自为他们弹奏一些精彩的曲子。She is not only our teacher but also our friend. 她不仅是我们的老师也是我们的朋友。如果not only . but also .并列两个主语时，谓语动词要与一个主语在数上保持一致。Not only you but also he is a good boy.Not only he but also you are a good boy.2.表示“选择”关系的连词有or(或者;否则)，neither . nor .(既不也不)，e
4、ither . or .(或者或者)等Lets move that bag, or there may be an accident.咱们把那个袋子搬过去，否则会发生交通事故的。It is either too cold or too hot here. 这里不是太冷就是太热。The ground must be just rightneither too wet nor too dry. 土壤必须正合适既不太湿也不太干。特别提醒 either.or.表示在两者之间进行选择; 而neither . nor . 表示对两者的否定，句中不可再用否定词not或no, 其对应结构是both . and
5、 .。当either . or . 或neither . nor .并列两个名词或代词作主语时，谓语动词在人称和数上与最靠近的那个主语保持一致。试比较：Either you or Ann is going to the city. Either Ann or you are going to the city.Neither he nor I have seen the film. Neither I nor he has seen the film.3.表示“转折”或“对比”关系的并列连词有but(但是)，yet(而；然而)。yet比but语气强，兼有“转折”和“让步”意义。I like w
6、riting to my pen friend, but it takes a lot of time. 我喜欢给笔友写信，但是花时间太多。You can draw a good horse in five minutes, yet you kept me waiting for a year. Why? 你能在五分钟内画一匹好看的马，然而你却让我等了一年。为什么？4.表示“因果”关系的并列连词有for(因为，由于)，补充说明理由，不用于句首；so(因此)，表示结果。The shop was quite new, for it had opened only the week before.
7、这家商店很新，因为它是上个星期才开业的。Mr Black was ill, so she was taking his class instead. 布莱克先生病了，因此她替他上课。二、从属连词1. when, while, before, after, as soon as, until, since等，引导时间状语从句。When the teacher came in, Jim was drawing a horse on the blackboard. 老师进来的时候，吉姆正在黑板上画一匹马。While they were sweeping the floor, the bell ran
8、g. 他们正在扫地的时候铃响了。2. because, as, since等引导原因状语从句。I must stop writing now, as I have rather a lot of work to do. 我现在必须停笔了，因为我有很多工作要做。Since a lot of people make mistakes in life, Mr Smith wanted to give John a chance. 既然许多人一生中都会犯错误，史密斯先生要给约翰一次改过的机会。3. if, as long as等引导条件状语从句。Some people say that they do
9、nt mind if they only have one child-as long as its a boy. 有人说假如他们只生一个孩子，只要是个男孩，他们就不介意。As long as you understand, we shall say no more about it. 只要你明白，我们就不再说这件事了。4. though, although, in spite of引导让步状语从句。Though I like speaking English, I dont like writing it much. 虽然我喜欢说英语，但我不太喜欢写英语。Though he has faul
10、ts, yet I like him. 虽然他有缺点，但我却喜欢他。特别提醒 在英语里，although / though与but不能同用在一个句子里，只能用其中的一个，但yet可以与though/although同用在一个句子里。5. so.that.(如此以致)，so that等引导结果状语从句。We were so busy talking that I forgot to pay. 我们只顾忙于说话，我就忘了付款。6. so that(为了)引导目的状语从句。so that引导的目的状语从句中一般有can, could, may, might等情态动词。Jack worked hard so that he might get a good job. 为了能找到一份好工作，杰克努力工作。7. as.as.(和一样)，that(比)，as(如同，像)等引导比较(方式)状语从句。Tom walks as fast as Mike. 汤姆和麦克走得一样快。I know you better than she does. 我比她更了解你。Do as I tell you. 照我说的去做。*学优中考网
