The doctors did everything they could to save the dying old
The doctors did everything they could to save the dying old woman but failed. 在文章中看到这个句子,我的疑惑是:这个句子中情态动词could后面跟了带to的不定式.有这样的用法吗?我只知道,情态动词后只跟动词原形. 谁能解答下我的疑惑, to save...应该是不定式短语
The doctors did everything they could to save the dying old woman but failed. they could 是everything 的定语, to 后面的成分是做目的状语 医生做了他们所能做的一切来挽救这个垂死老妇人的生命,但失败了
你说对了这里不定式做目的壮语从句,省略do是因为前面已经有了一个did,避免累赘,再给你举个例子: every year it gets most difficult to separate web wheat from chaff and pick a handful of sites from billions 这句billions后面省略了of sites,因为前面有了这两个...