4th Grade Subject-Verb Agreement Worksheet with Phrases

Problem Overview:

The task involves identifying the subject of each sentence, crossing out the incorrect verb form, and underlining the correct verb. The key concept here is subject-verb agreement, which means that the verb must agree with the subject in number (singular or plural).

Solution and Explanation:

#### 1. Teachers in my school (have / has) many students.
- Subject: "Teachers" (plural)
- Verb: "have" (plural form)
- Explanation: Since "teachers" is plural, the correct verb is "have."
- Correct Answer: Cross out "has," underline "have."

#### 2. The students in my homeroom (love / loves) to study math.
- Subject: "The students" (plural)
- Verb: "love" (plural form)
- Explanation: Since "students" is plural, the correct verb is "love."
- Correct Answer: Cross out "loves," underline "love."

#### 3. Science, one of the most difficult subjects, (is / are) difficult for many students.
- Subject: "Science" (singular)
- Verb: "is" (singular form)
- Explanation: Despite the phrase "one of the most difficult subjects," the subject is "Science," which is singular.
- Correct Answer: Cross out "are," underline "is."

#### 4. A computer program, which was invented by doctors, (help / helps) teach students science skills.
- Subject: "A computer program" (singular)
- Verb: "helps" (singular form)
- Explanation: The subject is "A computer program," which is singular.
- Correct Answer: Cross out "help," underline "helps."

#### 5. The student who came from the Hawaiian Islands (understand / understands) everything about science.
- Subject: "The student" (singular)
- Verb: "understands" (singular form)
- Explanation: The subject is "The student," which is singular.
- Correct Answer: Cross out "understand," underline "understands."

#### 6. Our experiments, designed by my teacher, (is / are) usually very fun.
- Subject: "Our experiments" (plural)
- Verb: "are" (plural form)
- Explanation: The subject is "Our experiments," which is plural.
- Correct Answer: Cross out "is," underline "are."

#### 7. A volcano with a lot of lava (explode / explodes) in one of the experiments.
- Subject: "A volcano" (singular)
- Verb: "explodes" (singular form)
- Explanation: The subject is "A volcano," which is singular.
- Correct Answer: Cross out "explode," underline "explodes."

#### 8. Parents who have children in our school (sign / signs) permission slips for students to go to the zoo.
- Subject: "Parents" (plural)
- Verb: "sign" (plural form)
- Explanation: The subject is "Parents," which is plural.
- Correct Answer: Cross out "signs," underline "sign."

#### 9. The local zoo animals, which all live in cages, (seem / seems) happy when the students come to visit.
- Subject: "The local zoo animals" (plural)
- Verb: "seem" (plural form)
- Explanation: The subject is "The local zoo animals," which is plural.
- Correct Answer: Cross out "seems," underline "seem."

#### 10. Mrs. Jones, a really fun teacher who has three kids, (lead / leads) a great tour through the zoo.
- Subject: "Mrs. Jones" (singular)
- Verb: "leads" (singular form)
- Explanation: The subject is "Mrs. Jones," which is singular.
- Correct Answer: Cross out "lead," underline "leads."

#### 11. The zookeeper and his staff of ten workers (do / does) a great job.
- Subject: "The zookeeper and his staff" (plural)
- Verb: "do" (plural form)
- Explanation: The subject is a compound subject ("The zookeeper and his staff"), which is plural.
- Correct Answer: Cross out "does," underline "do."

#### 12. The students in my school (enjoy / enjoys) science when it involves a field trip to the zoo.
- Subject: "The students" (plural)
- Verb: "enjoy" (plural form)
- Explanation: The subject is "The students," which is plural.
- Correct Answer: Cross out "enjoys," underline "enjoy."

Final Answers:

1. Cross out "has," underline "have."
2. Cross out "loves," underline "love."
3. Cross out "are," underline "is."
4. Cross out "help," underline "helps."
5. Cross out "understand," underline "understands."
6. Cross out "is," underline "are."
7. Cross out "explode," underline "explodes."
8. Cross out "signs," underline "sign."
9. Cross out "seems," underline "seem."
10. Cross out "lead," underline "leads."
11. Cross out "does," underline "do."
12. Cross out "enjoys," underline "enjoy."

Boxed Final Answer:

\[
\boxed{
\text{See explanations above for each sentence.}
}
\]