I have never been to a wedding before.
Correct (no mistake)
Has Ariadna sang in her bathroom?
sung
Has you ever given your teacher a present?
Have
She haven’t read any Shakespeare plays.
hasn't
They've builded their own house.
built
Dina ________ (never be) on a roller coaster.
Dina has never been on a roller coaster.
Jake has fall off his bike.
fallen
Have you never seen ghosts?
ever
Has he ever have Thai green curry?
had
He’s never try snowboarding.
tried
Have Pol ever kissed anyone in this class?
Has
John hasn't never been to London.
John has never been to London. / John hasn't been to London.
I’ve never broke my leg.
broken
We’ve ran two marathons.
run
I’ve meet my favourite actor!
met