Be - Was/Were - ...
beed
been
gone
The cat ... caught a mouse.
haven't
hasn't
My computer ... crashed!
has
have
The weather ... been really cold.
has
have
Drink - Drank - ...
drunk
drunken
drink
Tom and Harry ... ... a story together.
have written
has written
See - Saw - ...
seen
seed
sawed
I ... cheated in an exam.
hasn't
haven't
Fly - Flew - ...
flewn
flewed
flown
The students ... passed their exams.
have
has
I ... never worked in a shop before.
has
have
Drive - Drove - ...
droven
drived
driven
My birthday party ... ... incredible!
has been
have been
We aren't hungry, we ... eaten lunch.
have
has
I ... heard a noise upstairs. What was it?
has
have
My parents ... found new jobs in the city.
have
has
Make - Made - ...
maken
made
maden
They ... been to China.
haven't
hasn't
He ... never seen a dolphin in real life.
have
has
Take - Took - ...
taked
tooken
taken
Sing - Sang - ...
sang
sunged
sung