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1、2020年初中英语连词专题常识点全归纳 连词 1、连词得含义：毗邻词与词、短语与短语、或 指导 向导从句得词叫毗邻词。2、连词得分类：连词分为并列毗邻词和从属毗邻词两种。3、并列毗邻词毗邻并列得词、短语、从句或句子。常见得并列毗邻词有：and(和),but(然则),or(或许,不然),nor(也不), so(所以), however(但是,不管若何),for(因为),still(可是),as well as(也),both.and.(.和.), not only .but also.(不只并且), either or(或或),neither nor(既不也不)等。4、从属毗邻词用于 指导 向导
2、从句,常见得从属毗邻词有：when(当时刻), while(合法时刻), after(在以后), before(在之前), since(自从), until(直到), although/though(虽然), if(假定), as(如一样；因为), as as(和一样), as far as(就而言), as long as(只有), as soon as(一就), even if(即使), because(因为), unless (除非), than(比), whether (是不是), in order that(为了), sothat(如斯乃至), so that(以便), now th
3、at(如今既然), by the time(到时刻), every time(每当), as if(似乎),no matter when(或whenever)(不管什么时刻),no matter where(或wherever)(不管在哪里)等。辨析(1) because、as、since、for得用法：because(因为)示意原因得语气最强,常示意必定得因果关系,从句一般放在主句后面；别得,回答why得问句只能用because. as(因为)示意一般得因果关系,语气比because弱,申明比拟明明得原因,它 指导 向导得从句可以放在句首也可以放在句尾。since(既然)示意对方已晓得、无需
4、加以申明得原因或事实。for(因为)是并列连词,语气较弱,用来增补申明理由或提供一种注释。如：He is not at school today because he is seriously ill.（他今日没有上学因为他病得凶猛）/ As all of you have got here, now, lets go to the zoo.（既然大年夜伙儿都到了我们就往动物园吧）/ I will ask Lin Tao to go with me since you are very busy.（既然你很忙我就叫林涛和我一路往吧）/ We must be off now for the ma
5、tch starts at 7：00.（我们得走了因为竞赛在七点入手下手）(2)if、whether得区别：示意“是不是”时,if和whether同义, 指导 向导宾语从句,别得,whether还可以 指导 向导主语从句、表语从句(和同位语从句)等名词性从句或许妥协状语从句；而if还可以示意“若是”, 指导 向导前提状语从句,(主句与从句遵守主将从现得原则)。如：I dont know if/whether he will arrive on time.（我不晓得他是不是是会按时到达）/ I will ring you up if he arrives on time.（若是他按时到达我会给你
6、打德律风得）留心以下情形只能用whether不克不及用if： 指导 向导主语从句, 指导 向导表语从句, 指导 向导从句作介词宾语, 指导 向导不定式短语, 指导 向导妥协状语从句,在动词discuss以后,在wonder / not sure以后,在if与whether含义易混时。如：Whether it is a fine day next Sunday is still a question.（下个星期天是不是是个好天仍是个问题）( 指导 向导主语从句)/ Please ask him whether to go there with a raincoat or not.（请问一下带不带
7、雨衣往那儿）(作动词得宾语)/ Hainan is the place to be, whether its summer or winter.（海南是个该往得中央不管冬夏）( 指导 向导妥协状语从句)/ Please let me know whether you need my help.（请通知我你是不是需要我得协助）( 指导 向导宾语从句)(若是换成if则还可以示意“若是你需要我得协助请见知”)(3)while、when、as得用法区别：while常示意一个较长得举措,它 指导 向导得从句举措与主句得举措是同时发作得、是平行得；when可以示意较短得举措也可以示意较长得举措,主句和从句
8、得举措可以同时发作也可以先后发作；as与上两词同义,可替代while和when, 示意主句和从句得举措同时发作,常译为“一边一边”。如：Please do not trouble me while I am writing my homework.（我写功课时请不要打扰我）/ Ill go home when I have finished my job.（我干完了活儿就回往）/ They were running quickly across the road when they heard the sound of a truck coming.（他们正快速地穿过马路溘然听到了卡车开来得声
9、音）/ As we walked in the dark street, we sang songs and talked loudly.（当我们在黑洞洞得街上走路时我们大声地唱歌措辞）(4)till/until与nottill/until得区别：前者示意一个一连性得举措,后者示意一个才入手下手得举措。如：I will stay here and watch the baby until you return.（我会呆在这里看着娃娃直到你回来）(stay这个举措一向举行到你return)/ They wont go on working until they get what they thi
10、nk is reasonable.（他们要到取得了他们认为合理得器械时才会持续干下往得）别得till与until基本可以互换,然则在句首时只能用until,不克不及用till. 如：Until the last minute of the match we kept playing.（我们坚持到竞赛得最后一分钟）/ Not until he had finished his work did he go home.（直到做完任务他才回家）（倒装句）(5)though与although得区别：两个词都示意“虽然”,均不可以与but同时使用,但在句中可加still或yet连用。although“尽
11、管、虽然”仅作连词,比拟正式,一般可以换为though；though“虽然、尽管、即使”,还可以与even连用(=even if),示意“即使、即使”,作副词时意思是“但是、不外”,不克不及放在句首。如：He passed the exams although illness prevented him from going to classes.（尽管疾病使他无法上课然则他仍是通过了测验）/ she wont leave the TV set,even though her husband is waiting for her for the supper.（她不愿脱离电视机虽然丈夫在等她吃饭）/ It was a quiet party. I had a good time, though.（这是个不吵闹得集会尽管如斯我仍是玩得很雀跃）(6)prefer torather than与preferto得区别：prefer torather than后面都是用动词实情,preferto都是用动名词或名词。如：I prefer English to Japanese.（与日语比拟我更喜好英语）/ I prefer to learn English rather than learn Japanese. （与日语比拟我更喜勤学英语）End
