at the moment ,he is doing his homework.这里的 do 为什么要用现在进行时态?请说出原因,和语句的搭配

来源：学生作业帮助网编辑：作业帮时间：2024/06/07 03:09:40

at the moment是现在进行时提示语
表示此刻~
另外进行时提示语有Look!Listen!now~等等,看到这些你就可以判断是用现在进行时了·~

at the moment是“现在，此刻”的意思，等同于“now”。所以后面动词用现在进行时

现在进行是表示的的就是在某个时间正在发生的事情。这个句子里，at the moment就是“在那个时刻”，他正在做家庭作业。而不是过去的或者将来的某个时间，因此这里肯定是要用 is doing.

at the moment表现在，此刻的意思，所以后面的主句当然要用现在进行时了 doing

at the moment是现在进行肘标志：此刻、现在，故用现在进行时，be doing.此处有iS故用d0的ing形式

at this moment是在这一刻的意思，也就是他这一刻正在做什么！正在做某事就得用进行时，因为事情还没有完成，还在做！

at the moment是“现在，此刻”的意思，等同于“now”。所以后面动词用现在进行时

at the moment是“现在，此刻”的意思

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