Question

Use the prompts and the verbs in brackets to complete the sentences with the past modals.

1) My car isn't there any more! It ........... (steal) while I was shopping.

2) Pam..... (leave) yet. Her car is still parked outside her house.

3) Sue....... (dye) her hair. It's bright red now.

4) Biologists........ successfully (clone) a chicken; we're not sure yet.​

Answer 1

1) must have been
2) couldn't have left
3) must have dyed
4) might have succesfully cloned