She isn't sure, but she thinks she [....] to pick up the groceries on her way home.
can't have forgotten
might have forgotten
He [......] the proposal by now; the deadline was yesterday... and he didn't
must have submitted
should have submitted
Last time I checked, your keys weren't on the kitchen counter. You [.....] there
must have left them there
would have left them there
can't have left them there
If he had studied harder, she [.........] the exam
could have passed
couldn't have passed
must have passed
can't have passed
I don't know why he isn't answering his phone. He [.............] it
can have lost it
should have lost it
might have lost it
If you had taken the train, you [.........] much earlier
can't have arrived
must have arrived
would have arrived
I'm not sure where the umbrella was... She [..........] at the office. I'll check there
can't have left
could have left
should have left
We don't know what to do... You [.......] us... but you didn't
could have told
must have told
can't have told
It's not raining today. You [......] take your umbrella
don't have to
doesn't have to
mustn't
I think you [....] tell him you're sorry
has to
should
There aren't any good books in the library. They [...] borrowed
should have been
must have been
don't have to be
He has reminded you about that a thousand times. So you [....]!
must have forgotten
can't have forgotten
should have forgotten
You [........] be rich to be happy
can't need to
shouldn't need to
doesn't need to
don't need to
There's nothing we can do; the virus [......] beyond our initial estimates
shouldn't have spread
may have spread
can't have spread
Why are you so happy? You [......] the lottery, you're still poor
would have won
can't have won
must have won
I .......[] with you... But you didn't ask me to
should have gone
must have gone
could have gone
