1) Do girls wear often skirts and dresses ?
Girls don't wear often skirts and dresses
2) Are boys doing homework ?
Boys aren't doing homework
3) Does she exercises every morning ?
She doesn't do exercises every morning
4) Do cats usually eat bananas ?
Cats don't usually eat bananas
5) Is he going to school now ?
He isn't going to school now
6) Do you do lessons in summer ?
I don't do lessons in summer