how为连接副词,引导名词性从句,it后动词可为:一般现在时:动词单数形;一般过去时:动词过去式;还可接情态动词:I don't know how it happened.She will tell you how it can be used. ![]() 双语例句 1、Yeah, no, how could he do that? 是啊,不,他怎么可以那样呢?。 2、What? How could you do that? 什么?你怎么可以这样做? 3、How do I know what I should do, what not to do? 我怎么知道我应该做什么,不应该做什么呢? (责任编辑:admin) |