英语疑问代词答:英语疑问代词有What, whom, which, how, where, when, who, why, how, which, what-ever, whichever ,whoever等。疑问代词在句中起名词词组的作用,用来构成疑问句。疑问代词在句中应位于谓语动词之前,没有性和量的变化,除who之外也没有宾格的变化。what, which, whose还可作限定词。例句:1、...
when,if,that,why,what的用法和区别答:连接代词:what, whatever, who, whoever, whom, whose, which. 连接副词:when, where, how, why 不可省略的连词: 1. 介词后的连词 2. 引导主语从句和同位语从句的连词不可省略。That she was chosen made us very happy.We heard the news that our team had won.比较:whether与if 均为"是否"的...