Change the verb into the correct form:
1. I
(go) to the city once a week.
2. You
(play) the guitar very well.
3. She never
(visit) me.
4. Tom always
(find) new ways to do things.
6. Ann
(want) to speak.
7. Toronto
(be) in Canada.
8. Cars
(have) wheels.
9. My mother
(have) a big house.
10. We
(play) a lot.
11. They
(sell) fruit and eggs.
12. The building
(be) on fire.
13. Marta
(seem) sad.