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1、状语从句（含练习与答案）第十二讲 状语从句（含练习与答案）担任状语的从句叫状语从句，可以用来表示 时间、地点、原因、目的、结果、条件、方式、 比较、让步等。一、时间状语从句：引导词有 after, before, as, once, since, till, until, when, whenever, while, as soon as, the moment/minute（一就），the time, the day, every time, next time, each time, by the time , nosoonerthan（一 就），hardly（scarcely）when（
2、 一 就 ）immediately/directly 等.Each/Every time he comes here, he will drop in on me.He was ill last time I saw him上次我见到他 时他病了.Hardly had I got to the office when my wife phoned me to go back home at once.=No sooner had I got to the office than my wife phoned me to go home at once.I recognized him imme
3、diately I saw him.探 when, while 与 as当主句动作时瞬时的， 从句动作是延续的， 三者都可以用。when引导的从句动词可以是延续性的或短暂 性的，在“bewhen”句式中when表“at that time（就在这时）”意。while引导的从句中动词必须是延续性的；有 时并不表示时间，而表示对比，意“而”、“却”， 并列连词，表对照。As强调主、从句动作同时或几乎同时发生， 意为“一边一边”。When I got home I found the door locked.While / When / as we were working in the field
4、s, it suddenly began to rain.He was wandering through the streets when a bike hit him.I was about to go out when the telephone rang.I had just arrived at school when my wife phoned me to go home.His pencil is red, while mine is yellow.John sang happily as he went along.探 till 与 until一般情况下可以互换，但 unti
5、l 可以位于句首， till则不能。Until it stops raining, the children cant go out.=Not until the rain stops can the children go out.二、地点状语从句引导词有 where, wherever.Ill go wherever the people want me to go. (wherever=to any place where)He works where his grandfather fought. (where=in the place where)Where there is a w
6、ill, there is a way. (Where =In the place where)三、原因状语从句引导词有 because, since, as, now(that)(既然) 回答以 why 提出的问题时,只能用 because。 since= now (that), 表“既然”意,表示已知的或明显的原因。Now that/Since you are free today, you may have a rest at home or go out for a walk.for是一个并列连词，用来连接两个并列句， 引导的句子是对前面一句话的内容的推测或补 充说明。It must
7、have rained last night, for the ground is wet.The day has broken, for the birds are singing.（这两句中的for不可替换）四、目的状语引导词有 so that, in order that, that, in case （免得，以防）。目的状语从句的谓语常含有 can/could/may/might/will/would 等情态动词。He ran as fast as possible in order that he could catch the bus.Please remind me of it
8、again tomorrow in case I forget.五、方式（或比较）状语从句引导词有 as, as if, as though, the way, than,as/soas, the morethe more.It looks as if it is going to rain.My teacher treats us as if she were our mother.Sometimes we teach our children the way our parents have taught us.Tom is not so/as tall as John.He runs f
9、aster than I.注：asas可用于肯定句或否定句，soas 只能用于否定句。六、结果状语从句引导词有sothat, suchthat, so that.（意思 是“如此以致）He works so hard that he makes great progress in his studies.Its such a difficult problem that nobody can work it out.（从句不是目的，没有can, may） Theres not any noise here so that I feel very comfortable. 修饰形容词、副词只能用
10、 so.He walked so fast that I couldnt keepup with him. 修饰 many, much, few, little （少） 时，习惯 用 so.There were so many books in the shop that he didnt know which to buy.探 修饰可数名词单数可用so或suchIt is such an interesting book （= so interesting a book） that we all like it very much.修饰不可数名词或可数名词复数时，用 such.The vil
11、lagers were such kind people that they all came to help us.七、条件状语从句引导词有 if, unless, as/so long as, on condition that, in case （万一，如果），从句的 时态用一般现在时（含现在完成时），一般过 去时（含过去完成时）分别代替一般将来时和 过去将来时。If it rains tomorrow, I wont go there.He said he would not go back home unlesshe had achieved a lot.Ill study so l
12、ong as Im alive.In case he come, let me know.They cant leave unless they have done their work.童引导的条件句可以是真实性条件句，也 可以是非真实性条件句（用于虚拟语气）八、让步状语从句引导词有 though, although, even if, even though, as, whoever, whatever, however, no matter+what/who/when/等。Though/Although he is ill, he still goes to school.She sta
13、rted her experiment, even though she had little money.Whatever you found, you must turn it in.However hard he worked, he hardly made any progress.探as作“尽管，虽然”意时，常用倒装句式。Try as he would, he couldnt lift the heavy box.Young as he is, he knows a lot. = Although he is young, he knows a lot.若表语为名词，冠词要省略。Ch
14、ild as/though he is, he has remembered a lot of English words.(though 不可换为 although) although或though不能与but同时出现在一 个复合句中，但是“Athough/Though， (and)yet.”句式却是正确的。Although it is raining heavily, yet they are repairing the bridge.九、使用时题、让步等) 从句中，主句是一般将来时，从句通常用一般现 在时表示将来。Well go outing if it doesnt rain tomo
15、rrow.Ill write to you as soon as I get to Shanghai.2、有些时间、地点、条件、方式或让步从 句，如果从句的主语与主句主语一致(或从句主 语是it)，从句的谓语又包含动词be，就可省略 从句中的“主语+ be”部分。When (he was) still a boy of ten, he had to work day and night.If (you are) asked you may come in.不仅要根据连词，还要根据句子结构和句意来判别。以where为例，能引You are to find it where you left it.（地点状 语从句）Tell me the address where he lives.（定语从句，句中有先行词）-I dont know where he came from.（宾语从 句）Where he has gone is not known yet.（主语 从句）This place is where they once hid.（表语从句）状语从句练习（1）1. B I get to Paris, Ill call yo
