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1、 典型例句突破状语从句前言：学习状语从句的几个关键点1）引导状语从句的连词及意思2）状语从句与主句的时态照应3）有关状语从句的重点句型。4）状语从句的省略一各种状语从句的典型例句1条件状语从句：1）Lets go out for a walk unless you are too tired.( 除非,若不；相当于ifnot)即：If you are too tired, well not go out for a walk.2）You may borrow my book as long as you keep it clean.(只要，表示条件的唯一性)3）Take your umbrel
2、la in case it rains.（以防，以免）4）I can tell you the truth on condition that you promise to keep a secret.(条件是)5）Supposing it rains, shall we continue the sports meeting?( 如果,假如)6）He wont be against us in the meeting provided/providing that we ask for his advice in advance.( 假如,除非以为条件)7）You will be succe
3、ssful in the interview once you have confidence.(一旦就-)2.时间状语从句：1）When she came in, I stopped eating. (当的时候，表示“瞬时动词”)2）While my wife was reading the newspaper, I was watching TV. (当的时候，was reading是延续性的动词，was reading和was watching同时发生)3）I like playing football while you like playing basketball.（然而，表示“对
4、比”）4）As we was going out, it began to snow.（as强调句中两个动作紧接着先后发生，而不强调开始下雪的特定时间）5）We always sing as we walk.（as表示“一边一边”）6）Einstein almost knocked me down before he saw me.(“在之前”或“-才”) 7）My father had left for Canada just before the letter arrived.（“刚好在之前”或“就”）8）After you think it over, please let me kno
5、w what you decide. （在之后）9）I didnt go to bed until（till）my father came back.(“直到-才”，主句中的动词为非延续性动词)10）I worked until he came back. (“直到-才”，主句中的动词为延续性动词)11) Where have you been since I last saw you? (自从)12) I will go there directly I have finished my breakfast. (一-就，另外有immediately, instantly)13) The mo
6、ment I heard the news, I hastened to the spot. (一-就，另外有the instant, the minute，etc.) 14) As soon as I reach Canada, I will ring you up. (一-就)15) He had no sooner arrived home than he was asked to start on another journey. (一-就,另外有hardly/scarcely-when)16) By the time you came back, I had finished thi
7、s book.(“到时为止”，从句是一般过去时，主句是过去完成时。)17)By the time you come here tomorrow, I will have finished this work. (“到时为止”，从句是一般现在时，主句是将来完成时。)18) Each time he came to Harbin, he would call on me.( “每当的时候”或“每次”，复习each time, every time和whenever)3有关时间状语从句的重点句型1）It will be four days before they come back. (It wil
8、l be before过很久才-)2）It wont be four days before they come back.( It wont bebefore不久就)2）It was not until the meeting was over that he began to teach me English.(“ It was not untilthat-” not until的强调句型)3）Not until the meeting was over did he begin to teach me English.( not until的倒装句型。)4) It is/has been
9、 five months since our boss was in Beijing.我们老板离开北京有五个月了。(“It is/has beensince” 自从以来多长时间)5) Hardly had I sat down when he stepped in.我刚坐下，他就进来了。（“hardly/scarcely-when”/同“no sooner than” 注意时态的应用。）4原因状语从句1) The sweater shrank because it was washed badly. (强调“直接原因”)2) Since As weve no money, we cant bu
10、y it. （由于）3) Since you are free today, you had better help me with my mathematics. （“既然”强调双方共知的原因,复习 “now (that),seeing (that)， considering (that)， in that”）4）He could not have seen me, for I was not there.( for引导的原因状语从句并不说明主句行为发生的直接原因， 只提供一些辅助性的补充说明， for引导的原因状语从句只能放于主句之后并且必须用逗号将其与主句隔开。)5）The countr
11、y is not strong because it is large. 国强不在大。(“not . because”结构中的not否定的是because引导的整个从句)5结果状语从句1) There is so rapid an increase in population that a food shortage is caused.(太以至于)2) They are such fine teachers that we all hold them in great respect. (太以致于)3) It was very cold, so that the river froze.（以
12、致于）4) 注意状语从句与too.to. enough to, so as to结构的不同。6目的状语从句1）You must speak louder so that /in order that you can be heard by all.( 为了；以便)2）He wrote the name down for fear that(lest) (生怕；以免)he should forget it.3）Better take more clothes in case (以免)the weather is cold.4) Say it louder(so)that everyone can
13、 hear you.( 以便)7让步状语从句1）Although/Though he was worn out, (still) he kept on working.( 虽然，纵然,尽管) 【有时though= and yet但是，然而，放在句子末尾，前面用逗号。 It was hard work; I enjoyed it, though. = It was hard work, but I enjoyed it.）】 那工作很苦，但是我喜欢干。 2) Object as you may, Ill go. ( 虽然，纵然，尽管)3) Hard as/ though he works, he
14、 makes little progress. ( 虽然，纵然，尽管)4) Child as/though he was, he knew what was the right thing to do. ( 虽然，纵然，尽管)5) Well make a trip even if/though the weather is bad. (“即使”)6) Youll have to attend the ceremony whether youre free or busy. (“不论是否”，“不管是还是”)7) No matter who you are, you must keep the l
15、aw.(=Whoever you are, you must keep the law.（无论谁，复习no matter +疑问词引导的状语从句。）8）While I like the color, I dont like the shape.（尽管）8方式状语从句1）Just as we sweep our rooms, so we should sweep backward ideas from our minds.2）They completely ignore these facts as if (as though) they never existed.3）说明：as if / as though也可以引导一个分词短语、不定式短语或无动词短语，例如：He stared at me as if seeing me for the first time.（他目不转睛地看着我，就像第一次看见我似的。）He cleared his throat as if to say something.（他清了清嗓子，像要说什么似的。）The waves dashed on the rocks as if in anger.（波涛冲击着岩石，好像很愤怒。）4）Please pronounce
