Here are the subjects and predicates for the sentences:
1. Subject: Ram
Predicate: is playing with his ball
2. Subject: Rani
Predicate: loves to eat ice-cream
3. Subject: The cat
Predicate: chased the mouse
4. Subject: I
Predicate: watched a film
5. Subject: The teacher
Predicate: told a story
6. Subject: He
Predicate: asked her to help him
7. Subject: The cow
Predicate: is eating grass
8. Subject: The boys and girls
Predicate: are playing in the garden
9. Subject: Susie
Predicate: wrote a letter