Question

Select the helping verb that should be used with a singular subject to maintain correct subject-verb agreement.

Are
Have
Was
Were

Answer 1

Answer: The answer is Have and Was

Step-by-step explanation:

Answer 2

Answer: Have and Was

Explanation: The helping verbs that should be used with a singular subject to maintain correct subject-verb agreement are “Have” and “Was”. “Have” is used with singular subjects in the present tense, while “Was” is used with singular subjects in the past tense. “Are” and “Were” are used with plural subjects.