1. The finalists in the chess tournament were her and I.

2. Them and Jack want to go to the circus on Friday night.
3.Sara told him and I about the new restaurant.
4.Did Lawrence read the article about volcanoes to she and her sister.
5.Whom will bring the refreshments for the class party?
6.The most imaginative writer in my class is he.

If pronoun is incorrect place with correct pronoun.

1.her and me
2.They and Jack
3.him and me
4.her and her sister
5.who
6.him

All are right except for 6.

You need the subject pronoun, he, for the predicate nominative.