从属连词:从属连词用来引导名词性从句和状语从句.常用的从属连词有that, whether, if, after, when, before, since, until, because, although (though)等.引导名词性从句的词称为连接代词和连接副词.连接代词一般指疑问, 但what, whatever除了指疑问之外, 也可指陈述.
匿名回答于2020-12-16 20:28:27
