Ответ:
1) They check their email every day
Do they check their email every day?
They don't check their email every day
3)She goes to the cinema once a week
She doesn't go to the cinema once a week
Does she go to the cinema once a week?
5) He often spends all evening on the internet.
He often does not spend all evening on the internet
Does he often spend all evening on the internet?