I _____ the keys that I lost yet. (find)
have found
We _____ never _____ insects before. (eat)
have eaten
They _____ (see) that movie already.
have seen
She _____ (live) here for three years.
has lived
I _____ never _____ (to be) to Japan.
have been
I _____ never _____ her before.
have seen
How many books _____ you _____ (read) this month?
have / read
I _____ (not/eat) lunch yet.
haven't eaten
She _____ (not/finish) her homework yet.
hasn't finished
A: 'Where's Celine?' B: 'She ______ just ______.' (leave)
has left
By the time we arrived, they _____ (leave).
have left
I _____ my pen. Can I use yours? (lose)
have lost
David _____ (win) the competition.
has won
We _____ (been) to England many times.
have been
I _____ Peter since I was 5 years old. (know)
have known