They ... (never/see) the Eiffel Tower before.
have never seen
We ... (plan) for my sister's wedding for months! Now the day is here!
have been planning
He ... (always/talk) about his life and what's he doing but he doesn't care about anyone else!
is always talking
I ... (prepare) for my maths test tonight so don't call me then.
am preparing
She ... (think) about changing her job because she isn't happy about it.
is thinking
She .. (have) a baby pretty soon, so be gentle with her.
is having
How long ... (they/argue) now?
have they been arguing
This is the second time she ... (do) something like that to me.
has done
I ... (know) this song since I was a child.
have known
Listen! Somebody ... (whistle) this horrible song in the street again!.
is whistling
.......(you/always/hate) science subjects?
Have you always hated
.....(you/ever/meet) anybody really famous?
Have you ever met
.....(they/believe) me now?
Do they believe
The baby ... (sleep) for two hours.
has been sleeping
The teacher ... (give) us really difficult tests this term.
has been giving
....(amphibians/live) both on land and in water? (amphibians - płazy)
Do amphibians live
