Объяснение:
1. is my sister working at the gareden now?
my sister is not working at the garden now.
2.do we play football everyday?
we do not play football everyday.
3.are you doing homework now?
you are not doing homework now
1) My sister is working in the garden now
> Is my sister working in the garden now?
> My sister doesn't work in the garden now
2) We play football every day
> Do we play football every day?
> We don't play football every day
3) You are doing your homework now
> Are you doing your homework now?
> You aren't doing your homework now
Вот так наверное :^
