同位语从句是对名词的内容给予具体、详细的说明。常在后面接同位语从句的名词有fact,news,idea,truth,hope,suggestion,question,problem,doubt,fear,belief等。同位语从句常用的引导词为that,有时也用when,where 等疑问词。如:
The idea that you can do this work well without thinking is quite wrong.
你认为不动脑筋就能做好这件工作的想法是完全错误的。
People used to hold the belief that the earth was the center of the universe.
人们曾认为地球是宇宙的中心。
They have no idea at all where he has gone.
他们一点儿也不知道他去哪儿了。