a) I have had three cups of tea so far today.
b) Have you ever seen a yak?
c) Mark last saw Jennifer three days ago.
d) They have already checked in for the flight.
e) How long ago does the bus leaved?
f) Have you wrriten your diary yet?
g) I have just heard about the fire.
h) Their plane landed at 6.45 this morning.
i) We haven't spoken English since we arrived.