Past perfect question + (READ)
Had you read...?
Present perfect negative + (DRIVE and YET)
She hasn't driven a car yet.
Past perfect positive + (MAKE)
She had... We had.. MADE
Present perfect + (FLY and ALREADY)
She has already flown to Canada.
Contraction of YOU + HAVE
You've
Past perfect negative + (WRITE)
Hadn't ... Written
Past perfect postive + (KNOW)
Had ... known
Present perfect positive + (BUY and JUST)
I just bought a house.
Present perfect question + (EAT)
Have you ... Has she...? Eaten
Past perfect negative + (GO TO and BEFORE)
I hadn't gone to .... before ...
Contraction of She had
She'd
Present perfect positve 3rd person + (SOLD)
She/He/It has sold...