It's the most beautiful painting I've ever seen. SEEN
I _____ beautiful painting.
have never seen such a
It wouldn't have been right to leave you to do all the work on your own. COULDN'T
I _____ to do all the work on your own.
I couldn't have left you to do all the work on your own.
The police searched the house _____. (SYSTEM)
systematically
I’m sure you’ll see Paula if you go there. BOUND
You’re ____________ see Paula if you go there.
bound to
The course wasn't as easy as I'd expected. MORE
The course ____ I'd expected.
was more difficult than
Perhaps they didn't notice the tire was flat. MIGHTN'T
They _____ the tire was flat.
They mightn't have noticed (that) the tire was flat.
He is a _____-paid senior executive. (HIGH)
highly
I think you should take up jogging. WERE
If I _____________ take up jogging.
were you, I would (I'd)
This car isn't safe enough to drive. DANGEROUS
This car _____ drive.
is too dangerous to
All that trouble I went to wasn't necessary in the end. NEEDN'T
I _____ all that trouble.
I needn't have gone to all that trouble.
The importance of this _____ has been extremely overrated. (INVENT)
invention
It’s the law to turn left here. MUST
You ____________ left here.
must turn
I'm not as good at maths as you. BETTER
You _____ me.
are better at maths than
Apparently, someone has borrowed the remote control. HAVE
Someone _____ the remote control.
Someone must have borrowed the remote control.
She's a specialist in psychology and human _____. (BEHAVE)
behavior
It’s possible that this kind of snake is poisonous. COULD
This snake __________ the poisonous kinds.
could be one of
The computer was too expensive for me to buy. ENOUGH
I _____ money to buy the computer.
didn't have enough
I'm disappointed that you didn't back me up! MIGHT
You _____ me up!
You might have backed me up!
He took a job as a sales _____ in a big department store. (ASSIST)
assistant
Although it’s summer, the temperature is more like winter. MAY
It __________ the temperature is more like winter.
may be summer, but