原因目的结果状语从句

1、1.Ill call you when I get there. 2.I was watching TV while she was singing.3.She always sings as she dances.4.He didnt go to bed until he had finished his work.5.As soon as he arrives, Ill tell him. 6.Although/Though he was exhausted, (still) he kept on working. 7.While I like the colour, I dont lik

2、e the shape. 8.Well make a trip even if/though the weather is bad. 9.Whether youre free or busy， youll have to attend the ceremony. 10.No matter who you are, you must keep the law. =Whoever you are, you must keep the law. 原因状语从句原因状语从句Conjunctions：because , since , as , for , now that1 1关于关于because b

3、ecausebecause表示的原因是必然的因果关系，语气最表示的原因是必然的因果关系，语气最强，通常放在主句之后，有时也放在主句之前。强，通常放在主句之后，有时也放在主句之前。 You want to know why I am leaving? I am leaving because I am fed up.(2)(2)回答回答whywhy提出的问题，只能用提出的问题，只能用because because 。 A：Why cant I go? B：Because you are too young. (3)(3)because引导的从句可用于引导的从句可用于强调句强调句，其余不，其余不

4、能。能。 Its because he is kind that we like him. (4)(4)because从句可用从句可用作表语，作表语，其余不能。其余不能。 This is because the earth is traveling around the sun. 2 2关于关于sincesince引导的原因状语从句一般放于主句之前引导的原因状语从句一般放于主句之前, 表示已知的、表示已知的、 显然的理由显然的理由(通常被翻译成通常被翻译成“既既然然”)， 较为正式较为正式,语气比语气比because弱。弱。例如：例如： Since you are free today, yo

5、u had better help me with my math. 既然今天你休息，既然今天你休息， 你最好帮我补习数学。你最好帮我补习数学。 since可用于省略句，而其它不能。如：可用于省略句，而其它不能。如：Since so, there is no more to be said. 3 as as 引导原因状语从句时表示附带说明的引导原因状语从句时表示附带说明的“双方已知双方已知的原因的原因”，语气比，语气比since弱，较为正式，位置较为灵弱，较为正式，位置较为灵活活(常放于主句之前常放于主句之前)。例如：例如： As it is raining, youd better take

6、 a taxi. 既然在下雨，既然在下雨， 你最好乘出租汽车。你最好乘出租汽车。 I went to bed early, as I was exhausted. 我睡得早，我睡得早， 因为我筋疲力尽了。因为我筋疲力尽了。 4 4关于关于for(1)(1)for是并列连词是并列连词( (其他为从属连词其他为从属连词) )，它有，它有时可表示因果关系时可表示因果关系( (只能放在主句之后只能放在主句之后) )是是对前面分句的内容加以解释。如：对前面分句的内容加以解释。如：It rained last night, for the ground is wet this morning. 5关于关于

7、now that now that用来说明一种新情况，然后加以推论。用来说明一种新情况，然后加以推论。 Now that you are ready, well start at once. 既然你已经准备好了，我们马上开始。既然你已经准备好了，我们马上开始。Adverbial clauses of result结果状语从句结果状语从句 引导词：引导词： sothat; suchthat (如如此此以致于以致于)so + adj./adv. + thatsuch + (a/an) + adj. + n. + that such + a/an + adj. + 可数名词单数可数名词单数 + th

8、at such + adj. + 可数名词复数可数名词复数 + that such + adj. + 不可数名词不可数名词 + that 当名词有当名词有many, much, few, little修饰修饰时，只能用时，只能用so，不能用，不能用such。她是如此的疲惫，以致于很快就睡着了。她是如此的疲惫，以致于很快就睡着了。 She was _ she _ quickly.2. 这是一本非常有趣的小说，以致于我读了三遍。这是一本非常有趣的小说，以致于我读了三遍。 It was _ novel that i read it three times.3. 他跑得非常快，没人能追上他。他跑得非常

9、快，没人能追上他。 He runs _ nobody can catch up with him.4. 玛丽有如此多的工作要做，以致于她整天呆在办公室。玛丽有如此多的工作要做，以致于她整天呆在办公室。 Mary had _ to do that she stayed at her office all day. sothat / suchthatso tired thatfell asleepsuch an interestingso fast thatso much work引导目的状语从句常用的连词有：引导目的状语从句常用的连词有： so thatso that（以便），（以便）， in

10、order thatin order that（为了；以便），（为了；以便），lestlest（免得；唯恐），（免得；唯恐）， for fear thatfor fear that（生怕；以免）等生怕；以免）等目的状语从句的谓语常含有may, might, can, could, should, would等情态动词。. 1.You must speak louder so that /in order that you can be heard by all. 2.He wrote the name down for fear that(lest) he should forget it.

11、3.Better take more clothes in case the weather is cold. 1. _ youve got a chance, you might as well make full use of it. A. Now that B. After C. Although D. As soon as 2. He found it increasingly difficult to read, _ his eyesight was beginning to fail. A. and B. for C. but D. or 3. A man cannot smile

12、 like a child, _ a child smiles with his eyes, while a man smiles with his lips alone. A. so B. but C. and D. for 4.Id like to arrive 20 minutes early _ I can have time for a cup of tea. A. as soon as B. as a result C. in case D. so that5.Roses need special care _ they can live through winter. A. because B. so that C. even if D. as6. Leave your key with a neighbor _ you lock yourself out one day. A. ever since B. even if C. soon after D. in case7. He has _ little education that he cant teach _ little children. A. so; such B. too; such C. a; so D. very; so 8. He left in _a hurry _he