賓語從句和表語從句的區別

系動詞之後的是表語，所以系動詞之後的是表語從句 系動詞包括 

一 be動詞類：am、 is 、are 、was 、were 二 變化類：become、 get 、 turn 、 grow 、go 三 感官類:look 、sound、smell、taste、feel 四 延續類 ：remain 、stay 、keep 五 似乎類：appear、seem、look 

舉例:

The problem is who can drive the bus. His suggestion is that we (should) have a meeting this afternoon. 

Spring is when the flowers bloom.

其他動詞之後的賓語爲一個句子時，稱之爲賓語從句 :

We all know that he has studied English since 1998.

I will like whatever you give to me on my birthday.