I ________________ a present for my sister's birthday. (buy)
I have bought a present for my sister's birthday.
She ________________ to London 3 times this month. (fly)
She has flown to London 3 times this month.
We ______________ her today. (not see)
We haven't seen her today.
My brother ________________ a car before. (not drive)
My brother hasn't driven a car before.
They _______ (decorate) the New Year tree before the children arrived.
had decorated
I _______ just _______ (finish) writing a letter when the door bell rang.
had just finished
Everybody noticed that you ______ a mistake. (make)
had made
The waiter served something that we ______. (not order)
hadn't ordered
The game ______ by the time we arrived. (not start)
hadn't started
By 9 o'clock, we (finish) our homework.
will have finished
(buy / he) the new house by October?
Will he have bought
The sun (not / rise) by 4 o'clock.
won't have risen
