英语非谓语动词的用法

题目

英语非谓语动词的用法
看这两个句子为什么一个but后接动词原形,一个接to do?
The departure time of the plane has been postpond.so we have mothing to do now but wait
that was so serious a matter that i had no chioce but to call in the police

答案

介词后面必须带动词的动名词形式,这一规则的唯一例外是except和but(介词).在它们后面带动词原形:I could do nothing except agree.我除了同意,没有别的办法.He did nothing but complain.他只是抱怨,什么也不做.但是...