Keep the same meaning
Maybe Joanna missed the last bus
--> Joanna........the last bus
could/might/may have missed
Did you manage to stop hi,?
---> Were....
were you able to stop him?
You were wrong to spend so much time on Question 1
rewrite the sentence so it doesn't contain the words in ITALICS
I have lost my bag. I think I......(must/bus)
I think I must have left it on the bus
--> Peter......skate when he was 12
Emma was wrong not to tell you the answer
--->Emma..... you the answer
could/was able to
should have told
It wasn't neccessary to work hard
--> I didn't.....
I didn't have to/ need to work hard
I suppose the thief broke the window to get in
The thief must have broken the window to get in
I tried to phone Same, but I... (couldn't/ get through)
I couldn't get through
--> We....pay to get in
I'm sure that Diana didn't take your books
--> Diana.... your books
didn't have/need to
can't have taken
Perhaps Tim has lost his way......
--> Tim might....
It was possible for you to hurt yourself
-->You could...
Tim ight have lost his way
You could have hurt yourself
You cleaned all the windows, which wasn't necessary
I'm sure someone took the money from your coatYou needn't have cleaned all the windows
Someone must have taken the money from your coat
I forgot Kate's birthday. I... (should/present)
I should have bought her a present
--> David... noticed you
Terry arrived early, but it wasn't necessary
-->Terry...arrived early
may/might not have
needn't have
It would have been a good idea to tell me
--> You should...
You were wrong to study so late
--> You shouldn't
you shoul have told me
you shouldn't have studied so late
It's impossible, you didn't see Jack because he was at home
At my school it wasn't necessary for us to take lots of exams.
You can't have seen Jack because he was at home
At my school, we didn't have to take lots of exams
Cats don't like fruit. you ( shouldn't/ oranges)
Jo isn't here yet. I suppose she (might/address)
you shouldn't have fed/ given it oranges
she might have forgotten the address
It wasn't necessary for me to buy any food yesterday
--> I didn't/... any food yesterday
It was a bad idea for us to be rude to the policeman
--> We.... been rude to the policeman
have/need to buy
shouldn't have
I'm sure the class enjoyed it
--> The class must...
I helped her but it wasn't necessary
--> I needn't
the class must have enjoyed it
I needn't have helped her
The bus left at 6:00am, so I needed to go to bed early
It's possible that I left my keys at home, but I'm sure I had them when I left
It would have been a good idea for us to stay at home
The bus left at 6:00am so I had to go to bed early
I may/might/ could have left my keys at home but I'm sure I had them when I left
We should have stayed at home
I did badly in the test. I (ought/harder)
It's a shame we didn't go on holiday. We (could/fun)
I ought to have studied harder
We could have had fun