The key to exercise solutions in chapter 7A - Let's not argue for the textbook English File Upper-Intermediate - Workbook with authors Christina Latham-Koenig, Clive Oxenden and Kate Chomacki from Oxford University Press
Question
Match the sentences to the responses.
Complete the sentences with must have, might have, might not have, or can't have and the verb in brackets.
Write the next sentence using the words given.
Answer
a)
c
b
f
h
d
a
e
g
b)
must have been
might have gone
can’t have seen
might not have heard
can’t have moved
might have fallen
must have done
might not have read
c)
I shouldn't have shouted at him.
We should have filled up at the last garage.
He oughtn’t have left it on his desk.
You shouldn’t have bought such high heels.
I oughtn’t have stayed up to watch that horror film.