I ... (know) this song since I was a child.
have known
The teacher ... (give) us really difficult tests all year.
has been giving
She .. (have) a baby pretty soon, so be gentle with her.
is having
I ... (prepare) for my maths test tonight so don't call me then.
am preparing
They ... (never/see) the Eiffel Tower before.
have never seen
How long ... (the film/last)? Can you check in the paper?
does the film last
Where ... (you/be)? Your mother ... (call) you all day!
have you been / has been calling
The evening performance ... (start) at 8 pm.
starts
She ... (teach) Physics for more than fifteen years.
has been teaching / has taught
Computec ... (hold) a five-day seminar on computers for all its employees.
is holding
The baby ... (sleep) for two hours.
has been sleeping
(You/always/hate) science subjects?
Have you always hated
She ... (think) about changing her job because she isn't happy about it.
is thinking
We ... (plan) for my sister's wedding for months! Now the day is here!
have been planning
(You/ever/meet) anybody really famous?
Have you ever met
(Amphibians/live) both on land and in water?
Do amphibians live
Who ... (annoy) people more: teachers or politicians?
annoys
Listen! Somebody ... (whistle) this horrible song in the street again!.
is whistling
This is the second time she ... (do) something like that to me.
has done
Ralph ... (get) frustrated because the meal he ordered .. (not/be/served) yet.
is getting / hasn't been served
How long ... (they/argue) now?
have they been arguing
(They/believe) me now?
Do they believe