Modal of deduction - Test

Which sentence is correct?

• It mays be him. He's about that height.

• It may be him. He's about that height.

• It may to be him. He's about that height.

Which sentence is correct?

• You could to be right. Let's check on the internet.

• You can be right. Let's check on the internet.

• You could be right. Let's check on the internet.

Which sentence is correct?

• It's six o'clock. She must have left work by now.
• It's six o'clock. She must have leave work by now.
• It's six o'clock. She must leave work by now.

Which sentence is correct?

• That can't being them. Their car's yellow.

• That can't be them. Their car's yellow.

• That don't can be them. Their car's yellow.

Which sentence is correct?

• Joe might be to play football at the moment.

• Joe might be playing football at the moment.

• Joe might be play football at the moment.

Which sentence is correct?

• That virus may of come from an app.
• That virus may have come from an app.
• That virus may to have come from an app.

Which sentence is correct?

• This writing is terrible. That can being an 'e', but I'm not sure.

• This writing is terrible. That can be an 'e', but I'm not sure.

• This writing is terrible. That could be an 'e', but I'm not sure.

Which sentence is correct?

• I don't believe it! You can't had failed your exam!

• I don't believe it! You can't have failed your exam!

• I don't believe it! You can't failed your exam!

Paul is behaving in a very unusual way. I think he ______ again.

• can't drink

• can be drinking

• might be drinking

I think there ______ a mistake in your tax return. You should check it. Choose TWO correct options

• can't be
• might be
• may be