They ... been to China.
hasn't
haven't
The cat ... caught a mouse.
haven't
hasn't
Drink - Drank - ...
drink
drunken
drunk
Sing - Sang - ...
sunged
sang
sung
Take - Took - ...
tooken
taked
taken
Drive - Drove - ...
drived
driven
droven
Fly - Flew - ...
flown
flewed
flewn
Today is the first day I ... ever worked in a shop.
have
has
My birthday party ... ... incredible!
have been
has been
has be
have was
Tom and Harry ... ... a story together.
has wrote
have wrote
have written
has written
