Agree with the conclusions using must,can't and might.
1) I'm sure he's a journalist.
2)he certainly isn't a doctor.
3)Perhaps he's working late.
4)I'm certain she doesn't have a job.
5)I m sure she's able to drive.
6)I'm certain she isn't in the office at the moment.
7)He's possibly a farmer.
8)I'm certain she's reliable
1. He must be a journalist. 2.He can't be a doctor. 3.He might work late 4.She can't have a job 5.She must be able to drive 6.She can't be in the office at the moment 7.He might be a farmer 8.She must be a reliable
