be doing和doing的用法区别

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be doing和doing的用法区别
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be doing和doing的用法区别
be doing和doing的用法区别

be doing和doing的用法区别
前者是进行时,表示某时正在进行的动作.将来进行时：I will be watching the film this time tomorrow.现在进行时：I am having breakfast now.过去进行时：I was reading when he came into my room yesterday.更多的时态你去翻语法书.后者是动名词,动名词短语可以用作需要名词或名词从句的地方.Going shopping is the favorite activity of most girls.

be doing和doing的用法区别 be doing和be going to的区别和用法!be doing和be going to的区别和用法 to be doing 和 doing的区别 be busy doing 和 be busy in doing 的区别? do,doing,does的用法和区别, be busy in 的用法?它和be busy doing, be busy with有什么区别? be fun doing 和have fun doing的区别 be doing be is going to will用法的区别 be used to do和be used to doing的用法和区别 be about doing 和 be about to do的区别和用法! There be doing there be to do 的区别和用法 be to do和be doing在表将来的时候用法有什么区别? sure的用法be sure of doing和 be sure to do有什么区别呀? amaze的用法be amazed to do和be amazed doing有区别吗? be worthwhile to do和be worthwhile doing的区别（用法上） there be ...doing 的用法 be doing结构的用法 maybe和 may be的区别和用法 try to do和try doing的区别和用法