1．定義：
? ?用作同位語的從句叫做同位語從句。
2.用法：
? ?同位語從句的先行詞多為fact, news, idea, thought, question, reply, report, remark等，關(guān)聯(lián)詞多用從屬連詞。
? ?如： They were all very much worried over the fact that you were sick.
? ?注：
? 同位語從句偶爾由從屬連詞whether引導(dǎo)。
? ?如：I have no idea whether he’ll come or not.我不知道他是否來。
? ?連接代詞who, which, what和連接副詞where,when, why, how亦可引 導(dǎo)同位語從句。
? ? ? ? The question who should do the work requires consideration.誰該干這項工作，這個問題需要考慮。
? ? ? ? We haven’t yet settled the question where we are going to spend our summer vacation.到哪兒去度暑假，這個問題我們還沒有決定。