I take 13-6 The pronoun is the direct object of the verb. so it should be the objective-case. the  correct pronoun becomes clear if I mentally restructure the question. which is the object of the preposition between, so the pronoun must be in the objective case. The pronoun is the object of the verb. in the subordinate clause, so it must be in the objective case The correct pronoun becomes clear if you mentally restructure the clause . The objective-case pronoun should be used as the subject of the infinitive he objective-case pronoun her should be used as the object of the verb made. You can test for the correct pronoun.