Answer:
Depends on which definition you are going by.
Step-by-step explanation:
(Crucial or vital) Mark and I were going to the park with our baseball team one day. He accidentally tripped and fell in the dirt outside of the park. Trying to catch himself he hurt his wrist. Our coach got so worried about him because he was imperative to the team.
(Authoritative) Mark and I were going to the park with our baseball team one day. He accidentally tripped and fell in the dirt outside of the park. We both got worried because our coach was very imperative in telling us to be careful with our new uniforms.