Here are the evaluations for each sentence regarding subject-verb agreement:
-
The whole class is taking the test.
- Proper Subject-Verb Agreement (The subject "class" is singular, and the verb "is" agrees.)
-
Martin and Jim eats pizza every Wednesday.
- Improper Subject-Verb Agreement (The subject "Martin and Jim" is plural, so the verb should be "eat" instead of "eats.")
-
Either a robin or sparrow are making that noise.
- Improper Subject-Verb Agreement (When using "either/or," the verb should agree with the nearest subject. Here, "sparrow" is singular, so the verb should be "is" instead of "are.")
-
The debate team competes next Friday.
- Proper Subject-Verb Agreement (The subject "team" is singular, and the verb "competes" agrees.)
So, to summarize:
- Proper Subject-Verb Agreement: 1, 4
- Improper Subject-Verb Agreement: 2, 3