This is his hat.怎么变复数？

this is her hat 怎么改成复数形式~

全变成复数,these are their hats

1、This is his case.
These are their cases.
2.this is her hat.
These are their hats.
3.this isn,t my passport.
These aren't our passports.
4.is this your coat
Are these your coats?

This is his hat.变复数是

These are his hats.

或
These are their hats .

回答和翻译如下:
These are their hats.
这是他们的帽子。(英语句子翻译)

复数形式：These are his hats.
翻译:这些是他的帽子。

These are their hats。

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