Relier Pairs PossibilitiesVersion en ligne revising modals for degrees of certainty in the past, present and future par Canan Schaerer 1 Someone was at the door a few minutes ago. 2 That's the doorbell. Do you think they're here already? 3 I can't read this signature – can you make anything of it? 4 I'm starving! Is there anything to eat? 5 Look! What's that? It can't be a plane. 6 Eddie was very quiet this morning. 7 She must be his girlfriend. 8 Who's that sitting next to Andrew? 9 Do you think Gran's alright? She's not answering her phone. 10 I can't find my keys. 11 Someone's left their umbrella here. 12 Happy birthday! Can you guess what it is? It might be Laura's. She was in here earlier. It must be his dad. He looks just like him. She might be having a nap. She often does after lunch They can't be. They only left ten minutes ago and it takes an hour. It's flying too low. You can't be hungry again! You've only just had lunch. The surname could be Smith. That looks like an 's'. It must have been the postman. He always comes at eight. He must have been tired – he flew back from London last night. It can't be a book - it's not heavy enough. Is it a video game or a DVD? Look, they're holding hands. You might have left them at work.