Focus 3 Unit 3 revision
It is possible that the plane will land at a different airport because of very bad weather in Liverpool. MAY
The plane may land at a different airport because of very bad weather in Liverpool.
I’m sure that Sean has studied Spanish before because he speaks it fluently. HAVE
Sean MUST HAVE STUDIED Spanish before because he speaks it fluently.
I’m sure that that woman isn’t Andy’s mother – she’s too young. BE
This woman CAN'T BE Andy's mother - she's too young.