Cover of the textbook Cutting Edge Upper-Intermediate - Workbook

The key answer of exercise 10

The key to exercise solutions in chapter 08 - Strange but true for the textbook Cutting Edge Upper-Intermediate - Workbook with authors Jane Comyns Carr, Frances Eales and Damian Williams from Pearson Education

Question

Vanessa, Georgina, Mike and Gavin are students who share a house. Complete the gaps with the positive or negative past form of a modal verb (should, ought to, must, can't, might, or could) and an appropriate verb.

Answer

  1. can't have been
  2. must have been
  3. must have gone
  4. should have thrown / ought to have thrown / could have thrown
  5. must have had
  6. should have told / ought to have told / might have told / could have told
  7. might have eaten / could have eaten
  8. might have been / could have been
  9. can't have read (seen) / couldn't have read (seen) / might not have read (seen)
  10. shouldn't have eaten / oughtn't to have eaten