1. How long have you known Larry?
2. What have you been cooking?
3. Somebody has taken my favorite pen.
4. She has been learning Finnish for three months
5. You look exhausted! What have you been doing?
6. I have already made 10 phone calls and it’s only 9 o’clock.
7. I have been reading the Le Carre novel you lent me, but I haven’t finished it yet.
