A The person who are standing on the corner is my uncle. B The person who is standing on the corner are my uncle. The person who is standing on the corner is my uncle. Question 8 Select the sentence that has correct subject-verb agreement. Not only my mother but also my sister go to a single parents' group every Tuesday night. B Not only my mother but also my sister are going to a single parents' group every Tuesday night. Not only my mother but also my sister goes to a single parents' group every Tuesday night. Question 9 0.5 F Select the sentence that has correct subject-verb agreement. A Two of my friends and my sister are single mothers. B Two of my friends and my sister is single mothers. Two of my friends and my sister was single mothers