when sb. do sth.和when sb. doing sth. when do sth. 和when doin

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/06/23 07:24:50

when sb. do sth.和when sb. doing sth. when do sth. 和when doing sth.区别和用法
务必简单明了.

when sb.do sth 是说当某人做某事,也就是时常做的,请看Does
when doing sth 是说某人正在做某事,不一定是习惯做的.强调“正在”,请看Doing
那给你举例子好了.
She usually open the door when she watchs TV
She opened the door when she watching TV
再问：哦。thanks a lot.

when sb.do sth.还是 when sb.doing sth. 什么时候when sb do sth 可变成when doing sth when的结构,不是时间状语从句,不是现在完成时,是when sb do sth,还是when sb doing sth 用 Sb who do sth be like sb else doing sth else who,when/once when sb doing sth,sb doing sth 这个句型可不可以? when while and see sb doing sth when doing sth 还是 when do sth (语法问题) sb was doing sth when sth +动词过去式是什么时态 while,when,+什么（例：want sb to do sth） help sb doing sth和help sb to do sth see sb.do sth和see sb.doing sth.区别 Hear sb to do sth 和 hear sb doing sth