主语从句后置和强调句的区别
强调句that是一个不完整的句子。因为句中被强调的部分已放在了前面。而主语从句that之后是一个完整的句子。如 It is an honour that I have been invited to the ball.这句是主语从句 It is a book that I bought on my way home yesterday. 这句是强调句，再有主语从句的主句除有名词作表语外还可有形容词，过去分词等。而强调句没有。因为强调句不对形容词强调。 如下面这两句都是主语从句。 It is...