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

Answer 2

1) My car isn't there anymore! It must have been stolen while I was shopping.

2) Pam can't have left yet. Her car is still parked outside her house.

3) Sue must have dyed her hair. It's bright red now.

4) Biologists may have successfully cloned a chicken; we're not sure yet.