在复合句主句中名词性成分之后与该名词性成分并列,补充说明该名词性成分的有关情况的名词性从句,被称为同位语从句。
引导同位语从句的词语通常有连词that,whether,连接代词和连接副词等。
由that引导
1.They were worried over the fact that you were sick.他们为你生病发愁。
2.The news that we are having a holiday tomorrow is not true.明天放假的消息不实。
由whether引导
1.We are not investigating the question whether he is trustworthy.我们不是在调查他是否可以信任的问题。
2.Answer my question whether you are coming.你回答我的问题:你来不来。
由连接代词引导
1.Have you any idea what time it starts?你知道什么时候开始吗?
2.From 1985-90 I was an instructor at the regional party headquarters.After that I went back to work in a factory.Then I had no idea what a casino was.从1985年到1990年我是地方党部的教员,随后我回到一家工厂工作,当时我不知道赌场是什么样的地方。
由连接副词引导
1.I have no idea when he will come back.我不知道他什么时候回来。
2.You have no idea how worried I was!你不知道我多着急!