MODELS OF DEDUCTION

Your mother ………………..be a great cook. You are always so keen to get back home to eat!

• might

• must

• can't

Do you know where Carl is? He………………………….be out - his car keys are on the table.

• must

• might

• can't

I don't know why I am so tired these days. I…………be working too hard. Or maybe I am not sleeping too well.

• must

• can't

• might

We’d searched the building and it was empty. He ……………………………… there.

• must have been

• can't have been

• might have been

She …………………….. Tom because she kept all the photos of their holidays together.

• might have loved

• must have loved

• can't have loved

Oh, the phone is ringing. Answer it. It………………. Kate. She always rings at this time.

• must have been

• might be

• can't have been

• must be

• might have been

That couple ………………………………. much of this film. They're leaving already - after only 20 minutes!

• might be thinking

• can't think

• must have thought

• might think

To give the promotion to Harold was silly. He……………………… much about that company after only a year working there.

• must have known

• might know

• can't have known

• must know

That's the second new car they have bought this year. They ………………….. very rich!

• can't have been

• can't be

• must be

• might have been

Go and look in the kitchen for your gloves. They…………………………………in there. I am sure.

• can't be

• must be

• can't have been

• might have been