Sure! Here are the sentences with the appropriate pronouns circled and their antecedents underlined:
- My friend Jane forgot (her) script.
- All the students were supposed to bring (their) own costumes.
- Then someone asked (his) mother to sew costumes for the whole cast.
- The kind woman agreed to bring (her) sewing machine to the next rehearsal.
- Jane and Helen have asked (their) friends to help paint the set.