He went to bed after __

He went to bed after ___

A he will learn his lessons.

B he would learn his lessons.

C he had learns his lessons.

D he had learnt his lessons.

Correct Answer: Option D

- After দ্বারা দুইটি principal clause যুক্ত হলে after এর পূর্বে past indefinite tense আর after এর পরে past perfect tense বসে।