Choose the sentence containing Adverb of Reason from the following options:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → He therefore left the school.
An adverb is a word that tells how, when, where or how much something happens. It can also describe an adjective or another adverb, for example she sings sweetly, very hot.
Adverbs of reason:
- An adverb of reason tells why something happened, or presents an action as the result of something said before.
- Common ones: therefore, hence, consequently, thus.
- This sentence: therefore shows that he left the school because of some earlier cause.
Why the Other Options are Incorrect?
Option 2: He certainly went. — Incorrect. "certainly" confirms the statement. It is an adverb of affirmation.
Option 3: I am rather busy. — Incorrect. "rather" tells how much. It is an adverb of degree.
Option 4: You are quite wrong. — Incorrect. "quite" also shows degree (completely). It is an adverb of degree.
Contrast: an adverb of reason (therefore) tells why. An adverb of degree (rather, quite) tells how much.