since, for, already, just, still, yet: She’s *** seen that movie twice.
ALREADY
since, for, already, just, still, yet: I’ve *** gotten home. I need to eat something!
JUST
since, for, already, just, still, yet: Have you cleaned your room ***?
YET
since, for, already, just, still, yet: We *** haven´t decided what to do.
STILL
since, for, already, just, still, yet: The kids have been quiet *** lunchtime.
SINCE
since, for, already, just, still, yet: He’s had that car *** over a decade.
FOR
since, for, already, just, still, yet: They’ve studied English *** last summer.
SINCE
since, for, already, just, still, yet: She *** has not called me back.
STILL
since, for, already, just, still, yet: She’s *** spoken to the manager this morning.
ALREADY
can, could, will be able to: We *** see the mountains from here.
CAN
can, could, will be able to: She *** read when she was four.
COULD
can, could, will be able to: I *** drive next year.
WILL BE ABLE TO
can, could, will be able to: She *** join us tomorrow.
WILL BE ABLE TO
Present Perfect: The cat *** (break) the vase.
The cat has broken the vase.
Present Perfect: He *** (learn) how to play the guitar.
He has learned how to play the guitar.
Present Perfect: We *** (book) our tickets for the concert.
We have booked our tickets for the concert.
