номер 235: 3. went 4. is cooking 5. plays 7. didn't watch 8. don't eat 9. isn't (остальное всё правильно)
номер 236: 1. picking 2. didn't see 3. do и go 4. visited 5. didn't listen 6. did и buy.
номер 237: 1. глагольное время P.C 2. глагольное время P.S