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!

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