do did have done are doing
You________it.
will not understand will not be understanddoes not understand be understand
They______cards for six hours.
were playing are playinghad been playing has been playing
Aslam_________for three hours.
swim has been swimming was swimming swam
They______hard all day.
working work had work will worked
They took their breakfast after they_______their hands.
washed had washed will wash washes
These mangoes_________the market by April.
had reached reached reaches will have reached
I asked her what places she______in Europe.
visit visits had visited will visit
She______the piano since 2 O,clock.
played has been playing will play plays
She______anything before he left?
not said had not said will not say was not saying