S ___8 Complete. W qu have/has to and don't doesn't have to I have to do some shopping Carol buy some presents come with me. M he You СІ Do we w go? Y have to and must both express obligation, don't/doesn't have to = It's not necessary. mustn't = It's not allowed. had to is the past of both have to and must. We stay there for ages. С S C Check the answers