ПОМОГИТЕЕЕЕ!!!!!!
Используйте прошлое простое, настоящее совершенное или настоящее совершенное прогрессивное.
1.James is happy because he (do) his homework and now he can go for a walk.
2.I never (see) such a sad film.
3.They (not ride) the horse in the park yesterday, because it was a rainy weather.
4.I (wash) my car since 10 o’clock in the morning.

James is happy cause he did his homework and now he can go for a walk.I have never seen such a sad film.They didn't ride the horse...I have been washing my car since...