Cover of Spark 4 - Workbook

Answer — Exercise 4

Grammar Bank 7·Spark 4 - Workbook

Question

Rewrite the sentences using must, can't or may.

  1. I'm sure he isn't at home.
  2. I'm sure he is at work.
  3. Perhaps he is preparing for a meeting.
  4. I'm sure he isn't on a break.
  5. I'm sure she's a student.
  6. Perhaps she is in the library.
  7. Perhaps she is doing research for a project.
  8. I'm sure she has been working hard.

Answer

  1. He can't be at home.
  2. He must be at work.
  3. He may be preparing for a meeting.
  4. He can't be on a break.
  5. She must be a student.
  6. She may be in the library.
  7. She may be doing research for a project.
  8. She must have been working hard.
← Exercise 3Exercise 5 →

More exercises in Grammar Bank 7

Ex. 1
Ex. 2
Ex. 3
Ex. 5
Ex. 6
Ex. 7
Ex. 8