2. circle the correct answer. we can’t / couldn’t / may not drive to the beach. we haven’t decided yet. i don’t believe it! they can’t / may not / mustn’t be the winners! they were awful! she could / may / must have a lot of money. she buys very expensive clothes. he can’t / couldn’t / may not come to the party. i don’t know if he’s free on saturday. £11.00 and £3.99 is £25.98? that can’t / may not / mustn’t be right! i could / can’t / mustn’t get a job in the holidays, but i’m not sure that i will. what’s the time? it can’t / might / must be very early. it’s still dark. we might / can’t / mustn’t stay at home. it depends how tired we are. there can’t / couldn’t / might not be many buses early in the morning. i don’t know.