Answer for exercise 5
The solution for exercise 5 in chapter 8c - Grammar in use of On Screen B2+ - Student's Book by Virginia Evans and Jenny Dooley
Question
Read the examples. Which modal verb(s) do we use to say that we are sure something happened / didn’t happen? it's possible / probable that something happened / didn’t happen?
Answer
- We use must have to say we are sure that something happened.
- We use can't / couldn’t have to say we are sure something didn’t happen.
- We use might / may have to to say that it’s possible / probable that something happened / didn’t happen.