Which ending is used to form the third person singular present tense in English verbs?

Which ending is used to form the third person singular present tense in English verbs?

• A. S
• B. Ed
• C. Ing
• D. Er

Answer: (A)

The ending used to form the third person singular present tense in English is -s. When the subject is he, she, or it, you add -s to the base form of the verb: he walks, she runs, it rains. Some verbs require -es instead of -s (for sounds like s, sh, ch, x, z, or when the base ends with o), or change a final y to i and add -es, but the core idea is adding the -s ending. Other endings like -ed (past tense), -ing (present participle), or -er (comparative or agent noun) do not mark the third person singular present tense.