They ___ (be) friends since 1993.
have been
What ___ (you, do) at 8 P.M. last night?
were you doing
Come over my house around 9 o'clock. By then, I ___ (complete) my history essay and we can go to the movie.
will have completed
A: Why don't go out? - B: I can't. It ___ (rain). It always ___ (rain) on Saturdays.
is raining, rains
A: Film maker, George Richards, ___ (be) interested in the cinema since he ___ (be) a small child. - B: That's why he has produced a number of good films.
has been, was
My father is busy now. He ___ (paint) the walls.
is painting
Theresia left the house after she ___ (clean) her house.
had cleaned
Don't phone me between 7 and 8. I ___ (have) a phone call with my boss.
will be having
Tomorrow afternoon, we're going to play tennis from 3:00 until 4:30. So, at 4 o'clock , we ___ (play) tennis.
will be playing
Please don't make so much noise. I ___ (study).
am studying
Cats ___ (not, eat) sweets
do not eat
She ___ (break) her arm in 1999.
broke
will go
Since Mr. Dodson became president, unemployment ___ (increase)
has increased
I am sure she ___ (find) a good job soon.
will find
___ (you, done) your homework yet?
Have you done
He ___ (not, watch) TV when I called. He ___ (listen) to the radio.
was not watching, was listening
Look at that beautiful sky! It ___ (most certainly, not, rain) today.
is most certainly not going to rain
The band members ___ (play) a concert when Adrienne's clarinet ___ (squeak). She ___ (feel) embarrassed.
were playing, squeaked, felt
Jack really needs to get in touch with you. Since this morning, he ___ (call) here four times trying to reach you. He ___ (call) at 9:10, 10:25, and 1:45.
has called, called
Anne ___ (usually, make) all her clothes herself. At the moment she ___ (make) a dress for a fancy dress party
usually makes, is making
When I ___ (arrive) home, I saw that the children ___ (already, leave).
arrived, had already left
By the time they ___ (get) married next month, they ___ (be) together for six years.
get, will have been
We ___ (watch) TV when we ___ (see) that a devastating earthquake had hit California.
were watching, saw
Technology is advancing so fast that by the year 2050 who knows what technologies we ___ (invent). It is quite likely that by 2050, we ___ (use up) most of the earth's natural resources.
will have invented, will have used up