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