Perhaps Filip is from the Czech Republic – he speaks Czech very well. COULD Filip ________________________ the Czech Republic because his Czech is very good.

He is so rich that I am sure he is always happy. MUST He is so rich that ________________ happy.

I think Sarah isn’t very ill, because I saw her shopping this morning. BE Sarah ____________________ because I saw her shopping this morning.

I know he wasn’t in London on Saturday because I saw him in Newcastle. HAVE He _______________________ in London on Saturday because I saw him in Newcastle.

He looks so pale that I’m sure he has seen a ghost. MUST He _________________ ghost because now he looks very pale.

She is so scared of dogs, that maybe a dog bit her when she was little. BITTEN She is so scared of dogs that she _____________________ a dog when she was little.

Jana speaks excellent Finnish so I’m sure she’s lived in Finland at some point. HAVE Jana ______________________ Finland at some point because she speaks excellent Finnish.

I think Will’s tired because he didn’t sleep much yesterday. COULD Will ______________________ because he didn’t sleep much yesterday.

She was probably in a hurry because she forgot to buy a birthday present for her friend, MIGHT She forgot to buy a birthday present for her friend and that ___________________ she was in a hurry

I think Alice worked at a hotel last summer, but I’m not sure. MIGHT Alice ________________ at a hotel last summer.

It’s possible that in the sales cameras will be cheap enough for me to afford one. ABLE I __________________________ a camera in the sales if they are cheap enough

She was so happy on Monday morning that I’m sure she had a good weekend. HAD She was so happy on Monday morning that _______________________ a good weekend.