they are doing housework.(分别改成一般疑问句和否定句)要写出原因!

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they are doing housework.(分别改成一般疑问句和否定句)要写出原因!
they are doing housework.(分别改成一般疑问句和否定句)要写出原因!

they are doing housework.(分别改成一般疑问句和否定句)要写出原因!
Are they doing housework?把疑问词提前就可以了
They aren't doing housework.在谓语动词后加not就行了.

are the doing housework? they are not doing housework. 这个有什麽原因啊。。。疑问句BE提前,NOT是否定词= = 这样算理由么。。。

疑问句:Are they doing housework?直接把谓语动词提到句首
否定句:they are not doing housework. 在谓语动词后面加not