在句子中起賓語作用的從句叫做賓語從句。賓語從句的引導詞和主語從句的引導詞相同。賓語從句可以作及物動詞的賓語，作短語動詞的賓語，介詞的賓語。下面是小編為大家整理收集的關于SAT語法基礎之名詞性從句的相關介紹，僅供大家參考。
賓語從句：及物動詞的賓語
Everybody knows that money doesn‘t grow on trees.
賓語從句：短語動詞的賓語
Please go and find out when the train will arrive.
賓語從句：介詞的賓語
I am interested in what she is doing.
賓語從句：否定的轉移
I don’t suppose you‘re used to this diet.
我想你不習慣這種飲食。
I don’t believe she‘ll arrive before 8.
我相信她8點之前不會到。
表語從句(The Predicative Clause)
在句子中起表語作用的從句叫做表語從句。表語從句的引導詞和主語從句的引導詞相同。 What the police want to know is when you entered the room.
This is what we should do.
That’s why I want you to work there.
as if, as though, because也可用來引導表語從句。
She seems as if she had done a great thing.
It is because you eat too much.
虛擬語氣：表語從句
主語是idea, notion, proposal, suggestion, request等名詞時,作表語從句的動詞為原形動詞或should+原形動詞。
My suggestion is that we (should) go and help him.
Our only request is that this should be settled as soon as possible.
同位語從句(The Appositive Clause)
一般跟在某些名詞如answer(答案)，hope(希望)，fact(事實)，belief (信仰)，news(消息)，idea(主意;觀念)，promise(承諾)，information(信息)，conclusion(結論)，order(命令)， suggestion(建議)，problem(問題)，thought (想法)等后面。例如：
I had no idea that you were here. She told us her hope that she would become a pianist.
He made a promise that he would never come late.
同位語從句：whether
whether可以引導同位語從句，而定語從句不能用whether作為引導詞。
He hasn’t made the decision whether he will go there.
I have small doubt whether he is suitable for the job.
同位語從句：what
what可以引導同位語從句，而定語從句不能用what作為引導詞
I have no idea what he is doing now.
同位語從句：how
how可以引導同位語從句，而定語從句不能用how作為引導詞
It’s a question how he did it