be
been
I/be/to Madagascar.
I have been to Madagascar.
I/not see/him since last Monday.
I haven't seen him since last Friday.
you/ever/call/for an ambulance.
Have you ever called for an ambulance?
go
gone
They/go/to/Paris/twice.
They have gone to Paris twice.
I/not eat/enough vegetables lately.
I have not eaten enough vegetables latel.
they/ever/be/San Francisco
Have they ever been to San Francisco?
draw
drawn
They/live/here/for/fifty years.
They have lived here for fifty years
I/not do/the cleaning/yet.
I haven't done the cleaning yet.
When/you/ever/see/ghost
When have you ever seen a ghost?
write
written
I/take/care/of/everything
I have taken care of everything.
He/not/leave/the house/yet.
He has not left the house yet.
he/watch/this film?
Has he watched this film?
swim
swum
It/must/be/love/but/it/is/over/now
It must have been love but it is over now
I/never/meet/them/before.
I have never met them before.
how/long/it/be
How long has it been?