1) Can he give you his report on the life of Jack London?
He can`t give you his report on the life of Jack London
2)Should she translate English text?
She should not translate English text
3) Must you return my magazines on Wednesday?
You mustn`t return my magazines on wednesday
4)Must I go to see your grandmother on my day off?
I must not go to see uour grandmother on my day off
5) May they take four magazines from that shelf?
They can not take four magazines from that shelf ( не уверена что есть отрицание к may)