I (not to have) history lessons every day
does not have
do not have
did not have
Peter (to read) by the fireplace when the door (to open)
was reading, opened
was reading, was opening
read, opened
read, was opening
At the moment we (fly) over desert
fly
are flying
is flying
Listen! Somebody (sing) a lovely song
are singing
sings
is singing
My father (not to work) on Sunday
does not work
work
doesn’t
A great number of students (to study) in the reading hall when I (to enter) it last night
was studying, was entering
were studying, entered
studied, was entering
was studying, entered
… this your watch? – Yes, it …
am, is
are, are
are, is
is, is
I (not to receive) the visa yet
haven’t received
hadn’t received
received
Where are you, Roy? — I’m in the sitting-room. I … (read)
am reading
read
reads
If I don’t manage to finish my report today, I (to stay) at home tomorrow
will stay
stay
ould stay
He quickly forgot everything he (to learn) at school
learnt
was learning
had learnt
learns
I (not to eat) ice-cream now
won’t eat
do not eat
am not eating
didn’t eat
What … your brother (to do) yesterday?
is … doing
did … do
does … do
will … do
do … do
You (to come) home at six o’clock yesterday? – No, I …
did … come, don’t
came … didn’t
did … come, didn’t
The baby always (to sleep) after dinner
is sleeping
sleep
sleeps
