No one might / could / must have imagined the project would attract global attention.
could
That mustn’t / can’t / might not be the correct document — the dates are completely wrong.
can’t
I wish I’d applied for the scholarship before the deadline.
REGRETTED
I ____________________________________ for the scholarship before the deadline.
regretted not applying
You mustn’t / shouldn’t / wouldn’t have walked away before hearing the full explanation.
shouldn’t
Nobody must / could / might have foreseen how dramatically the technology would change the industry.
could
The children could watch films only after they had finished their chores.
ALLOWED
The children ____________________________________ films after they had finished their chores.
were allowed to watch
Lena didn’t need to have / shouldn’t have / couldn’t have revealed the confidential details to the journalists.
shouldn’t have
You shouldn’t / mustn’t / couldn’t have spoken so bluntly in front of the clients.
shouldn’t
It wasn’t necessary for George to reserve a table because the restaurant was empty.
BOOK
George ____________________________________ a table because the restaurant was empty.
didn’t need to book
The board should know / must have known / might have known that the decision would cause outrage among staff.
must have known
They shouldn’t have / didn’t have to / couldn’t have disclosed the results before the meeting.
shouldn’t have
If she had received the grant, she could have travelled abroad.
WOULD
She ____________________________________ abroad if she had received the grant.
would have travelled
We will / would / could never have assumed that the negotiations would end so smoothly.
would
The auditors must have known / should have known / might know that the figures were inaccurate.
must have known
When I arrived, I suddenly realised I hadn’t made a hotel reservation.
FORGOTTEN
I realised I ____________________________________ a hotel reservation when I arrived.
had forgotten to book/reserve