Question

Fill in the blank with the most suitable verb and verb form.
The earth ___ around the sun.
a) revolve
 b) revolves
c) Both A and B
 d) None of these

Answer 1

Hint: A verb is a content word that denotes an action, occurrence, or state of existence. The verb is the word class that serves as the predicate of a sentence.

Complete answer:
In the given question, we know that in sentences where a universal fact is stated, the present tense is used.
In the given sentence, the subject (earth) is singular. Therefore, the verb adjoining it should also be in its singular form.
Let us thus analyze the options given to us in this question-
Option (a.), 'revolve', refers to the plural verb form of ‘revolve’.Therefore, option (a.) is incorrect as we need the singular verb form.
Option (b.), ‘revolves', refers to the singular verb form of ‘revolve’.Therefore, option (b.) is correct.
Option (c.), ‘both A and B', says that options (a.) and (b.) are both correct. Therefore, option (c.) is incorrect as option (a.) is incorrect.
Option (d.), ‘none of these', says that none of the previous given options are correct. Therefore, option (d.) is incorrect as option (b.) is correct.

Note:
In this question, it will be helpful for the student to recall the concept of singular verb forms. A singular verb is a word that shows what has been done, is being done, or will be done that agrees with a singular subject. Singular verbs have the same forms as plural verbs, except for third-person singular verbs, which end in the letter -s.