英语语法问题!知道者快来!到底是be no use (to) do sth还是be no use dong sth

题目

英语语法问题!知道者快来!到底是be no use (to) do sth还是be no use dong sth
那为什么我有一本书上说 It is no ues trying to keep him in bed !!可是后面的扩展上却说是 be no use (to) do sth
可否给一个肯定回答!!!

答案

be no use doing sth是肯定的,绝对没错.例如 It is no use watching too much TV.看太多电视是没用的这是固定搭配所谓的接to do sth,是用在be used to do sth被用来做某事It is no use trying to persuade him to ha...