We are at home now.改为否定 We____ at home now.

We are at home now.改为否定 We____ at home now.
We are at home now.改为否定 We____ at home now.

We are at home now.改为否定 We____ at home now.
we aren't at home now

Wea_aren't___ at home now.

be动词变否定，后面加not. are not缩写aren't

be动词变否定，在be动词后面加not. are not缩写aren't