during, for, while 的用法和差异

during 的用法

during 指 “在…期间”， “during + 名词/名词短语“ 是用来表达某件事是在什么时候发生的。 during 回应了 “when”。

Mike got hurt during his launch break. 麦克在午休时受伤了。
I will finish my essay during the holiday. 我会在假期期间把论文完成 。

for 的用法

“For + 一段时间” 是用来表达一件事情持续了多长的时间。 for 回应了 “how long”。

We have known each other for ten years. 我们已经认识十年了。
I waited for a long time, so I left at last. 我等太久所以先走了。

while 的用法

“While + S + V” 是用来表达两件事情同时发生。

I cleaned the house while you were at work. 我在你在工作时整理了房间 。
I always watch TV while I’m exercising 我通常会一边运动一边看电视 。

during vs for

during 和 for 的差别在于 during 是表达某件事发生的时间点，而 for 是在表达某件事持续了多久。

Every day I work for 8 hours. 我每周工作8小时。  (=How long do you work?)
I usually play basketball during the weekend. 我通常周末打篮球 。 (=When do you play basketball?)

during vs while

During 和 while 主要的差别在于 While 后面是加上子句(S + V)，而 during 后面是加上 noun名词/名词短语。

I felt uncomfortable during the concert. 我在看演唱会时感到不舒服。
I felt sleepy while I was studying. 我在读书时感到想睡觉。

During, for, while – 练习题