状语从句的九种常见类型

状语从句的九种常见类型

1，时间状语从句

a：引导词有：when ,while ,as ,till ,until ,after等

b：注意as，when，while的区别。

As强调时间上的“一先一后”，“同一时间”，或“随着”之义，例如：As the time went on ，the weather got worse。

when则强调某个特定的时间；例如：when he was eating his breakfast，he heard the door bell ring。

while表示的时间不是一点，而是一段时间内。例如：Strike while the iron is hot。

2，原因状语从句

a：引导词有because，since，as ，for the reason that，in that 等

b：其中because表示原因的语气最重。例如：Because they lived on the edge of the Persian Empire ,they were ruled by the king of the Persia .

as和since所表示的原因则常常是人们知道的。例如：Since/as the weather is so bad ,we have to delay our journey

3，让步状语从句

a：引导词有although，though，even if，in spite of the fact .whereas，while ，for all 等b：even if 与even though的区别：

even if 意为“即使”，表述的内容不一定为事实；even if he knows, he’ll not let out the secret.(即使他知道，也不会讲出这个秘密。表示不确定他知不知道)

even though则表示“尽管”，尽管什么什么事实存在。例如：Even though he knows, he’ll not let out the secret.（尽管他知道这个秘密，也不会讲出来。表示确定他知道这件事）4，条件状语从句

a：引导词有if，unless，suppose ，in case，in the event

b：真实条件句，表示现实的和可能成为现实的条件，用直陈语气。例如：If the weather is fine tomorrow ,we shall go to the country.

非真实条件句：表示非现实的和不可能成为现实的条件，常用虚拟语气。例如：If I were you ,I would leave now.

5，目的状语从句

a：引导词有so that，so, in order that ,in case ,lest等

b：lest 和in case 表示的目的是一种带有否定意义的目的，意为“以防”。

例如：He cut the remark out of the final programme lest it should offend the listeners.

6，结果状语从句

引导词：that ，so (that),with the result that ,such that等。

例如：She sat behind me so that I could not see the expression on her face.

7，比较状语从句

引导词有as…a s ,the same as ,such as, than等。

例如：Jake runs as fast as Mike does .

8，方式状语从句

引导词：as ，as if ,as though ,the way ,how

例如：She closed her eyes as though she were tired.

9，地点状语从句

引导词有：where ,wherever ,everywhere, anywhere ,

例如：Put in articles where it is necessary in the following passages.