什么叫做方式状语从句
by是否引导方式状语从？
什么叫方式状语？
by只有介词词性，不能作为连词去引导方式状语从句，详解如下。
方式状语从句是英语语法状语从句的一种，常见的引导词有表示“像……”的as和表示“好像……”的as if/as though。方式状语从句的例句有：Let’s study as Lei Feng studied. 让我们像雷锋那样学习吧；Think as I think. 像我这样去想；He talks as if/though he is drunk.从他谈话的样子来看他好像醉了。
方式状语从句例句？
方式状语从句例句
as, (just) as…so…引导的方式状语从句通常位于主句后，但在(just) as…so…结构中位于句首，这时as从句带有比喻的含义，意思是#34正如…#34，#34就像#34，多用于正式文体，例如：
Always do to the others as you would be done by.
你希望人家怎样待你，你就要怎样待人。
As water is to fish, so air is to man.
我们离不开空气，犹如鱼儿离不开水。
You must try to hold the tool as I do.
你必须像我这样拿工具｡
Leave the things as they are.
别动这些东西｡
方式状语从句例句？
例：① He walks as if he was drunk.
② He walked as if he had been drunk.
仿(⒈ He/talk/know everything)
（⒉ He/treat me /I be a child)
(⒊ He /look at me /we /never/meet before)
(⒋ He /turn round / he / not see me)
Ⅱ.从句表事实
例：① It looks as jf it's going to rain.
② His thought sounds as jf it's not practical.
③ It smells as jf something is burning in the kithen.
仿(⒈ look/he/be/older than you)
(⒉ sound /someone /knock at the door)
(⒊ we fell/there /be/something worng with the plan)
(⒋ taste /the soup /be/a little salty)
(⒌ smell/mother /cook dinner)
Ⅲ.as if/as though 三种非谓语动词
例：① He opened his mouth as if to say something.
仿(⒈ stand up/ leave)
（⒉ wave his hand /say goodbye to us)
② He lay on the ground as if sleeping.
仿(⒈ look out of window /wait for someone)
（⒉ sit there /think)