when和while引导的时间状语从句
【When与while的区别与联系】 一、when意为"在……时刻或时期",它可兼指"时间点"与"时间段",所引导的从句的动词既可以是终止性动词,也可是持续性动词.如： When I got home,he was having supper.我到家时,他正在吃饭. When I was young,I liked dancing.我年轻时喜欢跳舞. 二、while只指"时间段",不指"时间点"...
【When与while的区别与联系】 一、when意为"在……时刻或时期",它可兼指"时间点"与"时间段",所引导的从句的动词既可以是终止性动词,也可是持续性动词.如： When I got home,he was having supper.我到家时,他正在吃饭. When I was young,I liked dancing.我年轻时喜欢跳舞. 二、while只指"时间段",不指"时间点"...