What I want to do 作主语从句。
wherever I am状语从句。
when the train would leave宾语从句。
which are very crowded on holidays定语从句。
who i talked with yesterday on the street定语从句
what the police want to know主语从句;when you entered the room表语从句
that the match had been cancelled宾语从句
as though he had been hit by lighting状语从句
that President Wu visit Russia soon同位语从句,说明news的具体内容
Although it's raining状语从句
分析长句时,一般先找句子的谓语动词,谓语前面的是主语,谓语后面是宾语,谓语是连系动词的,则谓语后面是表语。如果这些位置不是名词或代词,而是从句,那他们就是相应的主语从句、宾语从句、表语从句。
定语从句一般跟在名词后面,而且名词在从句中被引导词代替。
同位语从句也跟在名词后面,但是名词在从句中不出现,也不被引导词代替,同位语从句是用来说明名词的具体内容的。
其它的都是状语从句了。根据引导词的不同,作用也不同,可说明时间、地点、条件、让步等。