1. Fred doesn't make many mistakes in his tests .
Does make many mistakes in his tests ?
2. They don't smoke much.
Do they smoke much ?
3. you don't understand me well.
do you understand me well ?
4. I don't study English.
do I study English ?
5. She doesn't teach her children French.
Does she teach her childrens French ?
6. He doesn't always come in time.
Does he always come in time ?
7. We don't play chess in the evening.
Do we play chess in the evening ?