when 引导时间从句主句为一般将来从句为何时态

Question

如题所述

Answer 1

用来引导时间状语从句的引导词when的用法
（1）when 意思是；当………时候,引导时间状语从句,表示主句动作与从句动作同时发生或先后发生
【1】She feels much happy when I come to see her 当我去看她时,她感到很高兴
【2】When( you are )crossing the busy road ,you must be so careful
当你穿过忙碌的道路时,你一定要非常小心
【3】I was sleeping when someone knocked at the door
当我正在睡觉的时候,这是突然有人敲门
【4】Mozart started writing music when he was four years old.
(在)莫扎特4岁的时候,开始写音乐作品.
【5】When you think you know nothing, then you begin to know something.
当你以为自己一无所知的时候,你就是在开始知道一些事物了.
【6】When truth is buried under the ground it grows, it chokes, it gathers such an explosive force that on the day it bursts out , it blows up everything with it.
当真理被埋在地下的时候,它在生长,它感到压抑,它蓄存着一种爆炸性力量,一旦冒出,它就会炸破一切!

（2）when引导时间状语从句中的动词可以是持续性动词也可以使瞬间动词.
【1】When I had read the article, he called me. 我看完这篇文章之后,她给我打了电话.
( 从句动作发生在主句之前,注意时态表达,只能用when )
【2】When I got to the cinema, the film had begun. 当我到了电影院时,电影已经开演了.
(从句的动作发生在主句之后,只能用when,并要注意时态)
【3】He was about to leave, when the telephone rang. 他正要离开,忽然电话响了.
( 此时不能放在句首.主句动词一般表达 “正在” “即将”.
【4】She was working at the table when I came in 当我进来的时候,她正在桌旁工作
【5】I will often pay a visit to my good friend when I have time
当我有空的时候,我经常去看望我的好朋友
【6】I worked for an American company when I was in Beijing
当我在北京的时候,我为一家美国公司工作
【7】When she came in, I stopped eating. 她进来时,我停止吃饭.(瞬间动词)
【8】When I lived in the countryside, I used to carry some water for him.
当我住在农村时,我常常为他担水.（延续性的动词）
【9】We were about to leave when he came in.我们就要离开,就在那时他进来了.(瞬间动词)
【10】The girl was shopping when she saw the alien.
这个女孩子正在打电话,这时她看见了一个外星人
【11】What was Charlotte doing when the alien took off ?
当外星人起飞时,夏洛特正在做什么?