英语状语可以是哪些词充当?

1状语是指描述被描述对象的状态,包括时间状语,地点状语,方式状语,伴随状语,让步状语等
2能够做状语的一般包括副词,介词短语,非谓语短语,从句等
3副词,如carefully,例句:he did his housework carefully
4介词短语,如in the classroom,例句he did his homework carefully in the classroom
5非谓语短语,如seen from the top of the mountain,或者when facing difficulties,例句
Seen from the top of the mountain,the houses beneath are very small
或者When facing difficulties,we should keep calm
6从句,如时间状语,地点状语,让步状语,原因状语等
例句 He will come back next week when the opening cenemony begins
He will come to the school where he spent his childhood
Although he failed in the exam ,he never gave up his goals
The reason why he failed in his exam is that he gives up his goals halfway

可以是副词，从句，可以是分词短语 状语从句是句子的状语由一个从句充当，来修饰主句中的动词，形容词或副词等。状语从句都由从属连词引导，与主句连接，放在