Rephrase the sentences using modal verbs.
2. I am certain Daniel did not go to the library.
3. Perhaps Ian is stuck in traffic.
4. It is likely that we will go hiking at the weekend.
5. I am sure she has been crying.
6. It is possible that Janet did not know about it.
8. I am sure that he has made a mistake.
9. It is likely that she had gone out.
10. I am sure that he is repairing his PC now.
11. It is possible they will be leaving tomorrow.
12. Perhaps he was joking.
13. I am sure they are no arguing.
14. It is likely that she won't change her mind.
2. I am certain Daniel did not go to the library.
3. Perhaps Ian is stuck in traffic.
4. It is likely that we will go hiking at the weekend.
5. I am sure she has been crying.
6. It is possible that Janet did not know about it.
8. I am sure that he has made a mistake.
9. It is likely that she had gone out.
10. I am sure that he is repairing his PC now.
11. It is possible they will be leaving tomorrow.
12. Perhaps he was joking.
13. I am sure they are no arguing.
14. It is likely that she won't change her mind.
Daniel must not have gone to the library.
Ian might be stuck in traffic.
We may go hiking at the weekend.
She must have been crying.
Janet may not have known about it.
He must have made a mistake.
She might have gone out.
He must be repairing his PC now.
They could be leaving tomorrow.
He might have been joking.
They must not be arguing.
She may not change her mind.