Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
The old man think his younger daughter was mocking him.

Correct option is D

Option (d) contains an error.
Explanation: The subject “The old man” is third person singular, so the verb should also be in third person singular form. Therefore, “think” must be replaced with “thinks” to ensure subject-verb agreement.
Correct Sentence: The old man thinks his younger daughter was mocking him.
Grammatical rule used:
· In Simple Present Tense, when the subject is third-person singular (he, she, it, singular noun), the verb must take -s or -es.
Example:
· She runs every morning.
· He believes in honesty.
Information Booster:
· Plural subjects take base form: They think…
· Singular subjects take -s/-es: He thinks…