I ______ (not/see) him since the conference last month.
haven't seen
This time tomorrow, we ______ (fly) to Paris.
will be flying
It _______ (rain) later, but you should take an umbrella just in case.
might not rain
This _____ (be) the best restaurant in town; everyone recommends it.
must be
How long ______ (he/wait) outside?
has he been waiting
She ______ (never/hear) such a strange story until last night.
had never heard
He ____ (study) in the library; it’s very quiet there.
could be studying
She ... (not be) the winner. She is too slow!
can't be
We ______ (not/realize) how late it was until we checked the time.
hadn't realized
I ______ (see) Lily tomorrow at 7 p.m.
am seeing
He ________ (not, be) to London before; he’s asking a lot of tourist questions.
might not have been
You _____ (leave) your phone at work; it’s not here.
may have left
The children ______ (play) outside all afternoon when it started to rain.
had been playing
How long ______ (he/train) for the marathon by the day of the race?
will he have been training
She ____(work) at the moment because her office lights are on.
must be working
They ____ (plan) a surprise because they’ve been acting secretive.
might be planning
By the time the movie started, they ______ (already/buy) their snacks.
will already have bought
She ______ (wait) for an hour before the bus finally arrived.
had been waiting
She ______ (try) to call us earlier, but we missed it.
could have been trying
He _______ (see) the email yet; he hasn’t replied.
can't have seen