虚拟语气中的时间状语从句也用虚拟语气吗谢谢了1what would you do if you injured your knee while you were running?while you are running?那个对为什么请举例2use the internet使用网络,use of the internet 网络的使用是

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虚拟语气中的时间状语从句也用虚拟语气吗谢谢了1what would you do if you injured your knee while you were running?while you are running?那个对为什么请举例2use the internet使用网络,use of the internet 网络的使用是
虚拟语气中的时间状语从句也用虚拟语气吗谢谢了
1what would you do if you injured your knee while you were running?while you are running?那个对为什么请举例2use the internet使用网络,use of the internet 网络的使用是同义词组吗?3you can listen for the inportant words,not every word,most students use it for fun not for homework,这两句not是什么用法,为什么不和助动词be动词一起用,

虚拟语气中的时间状语从句也用虚拟语气吗谢谢了1what would you do if you injured your knee while you were running?while you are running?那个对为什么请举例2use the internet使用网络,use of the internet 网络的使用是
1、while you are running?对,这种假设在未来的可能发生的情况.
2、use the internet与use of the internet 不同,use词性不同.
3、这两句的not都是否定介词短语或介词for,所以无须助动词.