I ___________ a cold since last week. (have)
I have had a cold since last week.
I _______________ London 4 times. (visit)
I have visited London 4 times.
My brother ________________ a car before. (not drive)
My brother hasn't driven a car before.
I'm really hungry because I __________. (not eat)
I'm really hungry because I haven't eaten.
________ Mary _______ her homework? (do)
Has Mary done her homework?
______ Mr. Smith ______ breakfast? (have)
Has Mr. Smith had breakfast?
I think I ________ _________ to buy some bread. (forget)
I think I have forgotten to buy some bread.
It _____ _______ for a long time. (rain)
It has rained for a long time.
