Unit 8 Page 79 Lesson B3

Page 79:

3: grammar: past models for speculation

you can use these past models to speculate about the past:

they must’ve gotten tied up in traffic.

she could have tried to call.

they may have had a fight.

they might’ve had a fight.

notice the difference in meaning.

they couldn’t have forgotten.

she may not have remembered.

she might not have remembered.