The teacher had hardly turned his back … the class became noisy

Analyze the question The sentence has the structure "had hardly turned his back ... the class became noisy." It tests a fixed grammatical pattern in English.

Explain the concept "Hardly" is a negative adverb that is followed by when (or sometimes before), not than.

• Hardly + past perfect ... when + simple past
• No sooner + past perfect ... than + simple past
• Scarcely + past perfect ... when/before + simple past

Both patterns describe one action that happens immediately after another.

Step-by-step solution

1. The first clause is "The teacher had hardly turned his back", which is the past perfect with hardly.
2. Hardly pairs with when to link the second action, "the class became noisy."
3. Checking the other options: • A. than goes with no sooner, not hardly. ❌ • C. then is an adverb of time and cannot join the two clauses in this pattern. ❌ • D. hence means "therefore" and does not fit the meaning. ❌

Completed sentence: The teacher had hardly turned his back when the class became noisy.

Exam tip Remember: "Hardly... WHEN, No sooner... THAN." Hardly and When both have an "H" and a "W" feel of timing, while "No sooner" pairs with "than" for comparison. This is a very common JAMB/WASSCE pattern, so look out for it.