Answer:
1. Al Pacino <u>was</u> the leading actor in that movie.
2. Another great actor <u>is</u> Rober De Niro.
3. A former philosophy student, Alfonso Cuaron <u>became</u> a director.
4. The winner of the 2018 Academy Award for Best Director <u>was</u> he.
5. Rita Moreno <u>is</u> a talented actress, singer, and dancer.
6. Her best movie <u>might be</u> West Side Story.
7. Other stars in that movie <u>were</u> Natalie Wood, George Chakiris, and Richard Beymer.
8. West Side Story <u>is</u> a modern version of the Shakespearean tragedy Romeo and Juliet.
9. Of the many songs in that movie, my favorites <u>were</u> "Tonight" and "Maria".
10. The composer of the music for West Side Story <u>was</u> Leonard Bernstein.
Explanation:
Unfortunately, I can only recognize and identify the linking verb. But, I hope this helps you in any shape or form.