Modals of Obligation
It CAN'T / SHOULDN'T have been easy to go to that interview! How did you get on?
CAN'T
You look really tired. You ................. (be) exhausted after working a 12-hour shift, right?
You must be exhausted
Everyone listened carefully to the interesting talk about manga.
The talk about manga was .................... that everyone listened carefully.
The talk about manga was SO INTERESTING that everyone listened carefully.
Despite he was a Metallica fan, he still liked to listen to pop music every now and then.
WRONG. Despite BEING a Metallica fan, he still liked to listen to pop music every now and then.
We DON'T HAVE TO / MUSTN'T / SHOULDN'T hand in our essays until next week but I've got mine ready... Amazing or what?
DON'T HAVE TO
A: We went to LA last month to visit relatives B: Wow! That .......................... (be) amazing!
That must have been amazing!
James was so good at chess that he beat everyone.
James had ..................... chess skills that he beat everyone.
James had SUCH GOOD chess skills that he beat everyone.
There were so much guests that the party easily got out of control.
WRONG. There were so MANY guests that the party easily got out of control.
I think you ................. tell someone what you saw.
SHOULD / MUST
A: Alice is always late. I wonder what has happened now... B: She ________________ (miss) the train.
She might have missed the train
We have different interests and personalities.
Not ............................ different interests, but also different personalities.
Not ONLY DO WE HAVE different interests, but also different personalities.
Not only has she been promote but she has also been given extra holidays.
WRONG. Not only has she been PROMOTED but she has also been given extra holidays.
You .................... wear a suit and tie if you work in a bank.
HAVE TO
A: Have you seen my tablet? I can't find it anywhere B: Well, it .......................... (steal) because you didn't leave the house yesterday. Try looking under the bed...
...it can't have been stolen...
Not enough people were interested in the trip so it was cancelled.
There ....................... people interested in the trip that it was cancelled.
There WERE SO FEW people interested in the trip that it was cancelled.
There was such a nice weather that we decided to have lunch outside.
WRONG. There was such nice weather that we decided to have lunch outside.