1. she swims, she is swimming, she is studying
2. he plays, he runs, is surfing
3. she cooks, she doesn't cook, is preparing
4. ride, walk, are playing
5. don't have, do, are studying
6. plays, doesn't exercise, has, is playing
7. is looking
8. loads
9. carries
10. walk
11. is drowing
12. drinks
13. locks
14. is opening
15. are watching
16. have