Modal verbs for speculation: must, could, might/may, can’t 3. Choose the correct options to complete the sentences. 0 Tom’s walked a really long way today. He must / might / can’t be tired. 1 I don’t know where Sam is. He must / can’t / could be in his room, I guess. 2 Karen goes into town every morning. It’s 10 am, so she can’t / may / must be there now. 3 Sarah spent all her birthday money in town yesterday, so she must / might / can’t have any money left. 4 Take a jacket, because it must / may / can’t be chilly this evening. 5 This looks like a luxury hotel. It must / might / can’t be very cheap to stay there. 6 I’m not sure who this bag belongs to. It must / could / can’t be Ryan’s, I suppose. 7 It must / might / can’t be raining outside. People are walking around with their umbrellas up. 8 I wonder if this suitcase will be OK for my holiday? The problem is, it can’t / might / must be too heavy for me to carry.
