1. Do I need to help you? No, thanks, I'll do it myself. 2. You may not
go there. 3. He didn't have to worry about her. 4. I don't have to ask him.:
he'll tell me everything. 5. You don't have to call me: I won't forget about
his promise. 6. Should she buy so many products? 7. It can
don't go to the library: I'll give her a book. 8. You could not take an umbrella: I'm sure,
that it wouldn't rain.
shut