Question

Rewrite the sentences so that the second
sentence has the same meaning as the first.
Use must, could or can’t.

1 I’m sure that isn’t Henry. He’s in Australia.
That ___ Henry.
2 Our teacher is late today – maybe she’s ill.
She ___ ill.
3 I’m sure Sarah has my book. I saw it on her
desk.
Sarah___ my book.
4 His mum says he’s in bed. Perhaps it’s true.
He in bed.
5 I don’t think that’s Phoebe’s brother. He ___
doesn’t look like her.
That ___ Phoebe’s brother.

Answer 1

1. I'm sure that Henry.He’s in Australia.That can't be Henry.
2. Our teacher is late today – maybe she’s ill.She could be ill.
3. I’m sure Sarah has my book. I saw it on her desk.Sarah could have my book.
4. His mum says he’s in bed. Perhaps it’s true.He could be in bed.
5. I don’t think that’s Phoebe’s brother. He doesn’t look like her. That can't be  Phoebe’s brother.