1、9大状语从句既然因状语从句(句子成分完整) 1原因状语从句 because, since, as, for 区别: because语气最强 回答 why because不与 so连 用 since =now that 表示显而易见的原因 为” as “因为既然语气最弱for 是并列连词,表示推断的原因, for 前常要加 逗号注: seeing that / now that/ considering that in that/given that 这几个词汇与 since 引导的 原因状语从句意思相近, 都表示 既然考虑到”2 地点状语从句Where whereverWhere there
2、is a will , there is a way. We must camp where we can find water.3时间状语从句when (v 延或 v 短)while (v 延)as表示动作同时发生 一边 边随着.since (自从)before ;until ;the first time ; every/each time ;the last time by the time (到.时为止)时间状语从句考点: It is / has been + 一段时间 +sinee (般过去时)sth when正在.突然自从 已经多长时间了be doingbe about to do
3、 sth when 即将做某事突然while 除了“当. .时”之外,还有两种用法:1) 表示对比 “然而 ”2) 表示让步 “虽然尽管 ”before 除了“在.之前“之外,还可表:还没来得 及.就He hung up before I could say a word it +时间+before句型:(肯)要过多就才 (否)没过多久就 .一就:the moment / minute / instantinstantly directlyNo sooner tha nas soon as immediately Hardly when本文档如对你有帮助,请帮忙下载支持!No sooner +
4、 had +主语 +过分 +than (一般过去时)Hardly + had + 主语 +过分 + when ( 一般过去时 ) By the time + 句子(一般过去) ,主句(过完)By the time + 句子(一般现在),主句(将来完成 时 will have done )4条件状语从句if 如果 ; supposing ; provided 假如once本文档如对你有帮助,请帮忙下载支持! as long as ; so long as;on condition that ; only if 只要 in case 以防以免 假使 ; unless 除非,曰在时间和条件状语从句中
5、, 要用一般现在时表将来时, 现在完成时表将来完成时You should not play outside unless you havefinished your homeworkIf weather permits, I will go swimming tomorrow5目的状语从句目的状语从句的谓语常含有 may, might, can, could, should, would 等情态动词引导词有:so that (以便),in order that (为了; 以便),Lest (免得;唯恐),for fear that (生怕;以免)注:凡是由lest (以免;免得),in cas
6、e (以防) 和for fear that (生怕,唯恐)引导的目的状语从句 用“should动词原形 其谓语部分should可以省略。 例如:1.Keep quiet in case you( should) interrupt him 2.She is now studying,for fear that she( should) fail in English 3.You must wake him early,lest he(should) be late forschool6结果状语从句So/suchthat.句型如此. .以至于句型 so +adj /adv+that1当出现不可数
7、名词或名词复数时, 与such.that连用It is such bad weather that I am in a bad mood2当出现可数名词单数时, so 与形容词不分, such 与 a/an 不分such a clever boy so clever a boy 当名词前有 many much few little 修饰时,用 so .that感叹句的用法与此句型类似, what 相当于 such how 相当于 so 即若感叹句中出现不可数名词或名词复数时, 感叹句要用 what 来引导 若感叹句中出现可数名词单数时: what a clever boy he is!How
8、clever a boy he is!so that 可引导目的状语从句, 也可以引导结果状语从句。He worried so that he couldn aleep.他急得睡不 着。(so that 引导结果状语从句 )I came to the class early so that I could catch the bus(so that 引导目的状语从句 )7比较状语从句 倍数基本句型倍数+形容词,副词比较级+than 倍数+as + 形容词,副词原级+as倍数 +the size of ( height width depth weight length)the more .th
9、e more 越 越The more you work hard ,the more progress you will makeAsas 和 样 not as/soas.禾D不一本文档如对你有帮助,请帮忙下载支持!A is to B what C is to D A对于B就像是C 对于D8让步状语从句弓丨导词:though, although, as, even/ if though, no matter- wh, whether or not(无论是否)以as, though引导的让步状语从句多用倒装语 序,即把在从句中作表语的名词、形容词,或修饰谓语动词的副词放在 as/though 之
10、前。 当作表语的单数可数名词位于句首时, 名词前的不定冠词要省略Try as he might ,he still can t open the door Hard as he worked, he couldn t make ends meet Child as he is, he knows a lotHowever 引导的让步状语从句:However +adj/ adv+ 主语 +谓语Wh-ever 引导让步状语从句既可以用 wh-ever 或 no matter wh- 但若是引导主语从句或宾语从句, 只能用 wh-ever 不能用 no matter wh-No matter what he said I would not believe him Whatever you said has a great effect on your child. 注意: despite = in spite of 虽然尽管,后不可以接 句子thoughthough, although 都可以放在句首, 但放在句末只能用Though although 不与 but 连用,但可以和 yet, still 连用9 方式状语从句:由连词:as(按照),as if, as though (仿佛好像)引导
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1