Use the right verb form to complete the sentences:
1) Your mother is in the kitchen. She (cook) all morning.
2) We never (see) a pheasant.
3) You (learn) English for four years!
4) I (know) Victor since I (come) to St. Petersburg.
5) (See) you Tanya this week? When you (see) her?
6) Rose (wait) for her friend for an hour already. She (come) yet?
7) We always (want) to have a small house in the country.
8) My elder brother always (love) animals. He has a lot of pets at home.
9) How long the children (sleep)?
10) What you (do) all afternoon?
11) I (have) this watch since my birthday.