A. Multiple choices
1. Millie and her friends … at school.
a. is
b. are
(Answer: b)
2. The dog and the kids … outside.
a. is
b. are
(Answer: b)
3. Nobody … the trouble I’ve seen.
a. know
b. knows
(Answer: b)
4. They … want to go to school.
a. don’t
b. doesn’t
(Answer: a)
5. The game … exciting.
a. was
b. were
(Answer: a)
6. They … too much
a. worry
b. worries
(Answer: a)
7. Those … beautiful flowers
a. is
b. are
(Answer: b)
8. The Prime Minister, together with his son, … the press cordially.
a. greet
b. greets
(Answer: b)
9. All of the books, even the old one, … in this case.
a. is
b. are
(Answer: b)
10. Diego … like sports.
a. don’t
b. doesn’t
(Answer: b)
B. Error Analysis
1. This box of books belong in the attic.
(Answer: This box of books belongs in the attic.)
2. There is two desk lamps in my bedroom
(Answer: There are two desk lamps in my bedroom.)
3. Both of my cousins are professional lawyers.
(Answer: Correct.)
4. Millie and Kimmy is arguing again.
(Answer: Millie and Kimmy are arguing again.)
5. Diego and Zee has gone to the festival.
(Answer: Diego and Zee have gone to the festival.)
6. I makes my own meal.
(Answer: I make my own meal.)
7. Mr. Boo drive his blue car.
(Answer: Mr. Boo drives his blue car.)
8. Diego and Kyra are singing in front of the audience.
(Answer: Correct.)
9. Both of my cats sleeps peacefully under the tree.
(Answer: Both of my cats sleep peacefully under the tree.)
10. All the books is inside the box.
(Answer: All the books are inside the box.)
11. They doesn’t want to go to bed early.
(Answer: They don’t want to go to bed early.)
12. She love his brother so much that she don’t want her brother to grow up.
(Answer: She loves his brother so much that she doesn’t want her brother to grow up.)
13. Everyone get one of the apples.
(Answer: Everyone gets one of the apples.)
14. He don’t like everything relate to the music.
(Answer: He doesn’t like everything relate to the music.)
15. The beautiful student live in Canada.
(Answer: the beautiful student lives in Canada.)
References:
http://grammar.yourdictionary.com/parts-of-speech/verbs/quiz-in-subject-verb-agreement.html
https://owl.english.purdue.edu/exercises/5/13/34
http://grammar.about.com/od/subjectverbagreement/a/Editing-Exercise-Correcting-Errors-In-Subject-Verb-Agreement_2.htm
http://grammar.about.com/od/correctingerrors/a/ASagreement.htm