Question

If they _____ earlier, they would not have missed the train.

• A. have left
• B. had left
• C. were leaving
• D. left

Answer 1

Answer:

B. had left

• This sentence is in the Third Conditional.

• Structure: If + Past Perfect, would have + past participle

• had left = past perfect, used for an unreal past situation.

👉 Meaning:
They did not leave earlier, so they missed the train.