while+v-ing的意思及用法

Question

while+v-ing的意思及用法

Answer 1

从属连词while引导时间状语从句 【while 当……的时候；在…..的期间； 从句动词只能延续性动词】
①【while强调某一段时间内主句动作发生,相当于during the time that.;从句常用进行时态.】
For example 例如:
Please don’t talk so loud while others are working.　
当别人工作时,请不要这么大声说话.
My mother was cooking while I was doing my homework.
当我在做作业时,妈妈在做饭.
While I was typing , my sister was washing.
我在打字,妹妹在洗衣服.
②while作为并列连词,意为“而,却”,表示同类对比.
For example例如:
I like watching TV, while he likes reading.
我喜欢看电视,而他喜欢读书.
③while也可用来引导让步状语从句,意为“尽管,虽然”,相当于although
For example例如:
While I admit that the problems are difficult ,I don’t agree that they can’t be solved.
尽管我承认这些问题很难,但我并不同意他们无法解决.
④趁…的情况赶紧做, 否则来不及了
For example例如:
Strike while the iron is hot.
趁热打铁.