Question

(e) The train had left when we...
the station
(reached, had reached​

Answer 1

Answer:

the train had left when we reached the station.

Explanation:

We use the past perfect tense for the earlier of the two past actions. The train had left before we reached the station. (NOT The train left before we had reached the station.)

The correct sentence should be, When I reached the station, the train had left. According to the rules of 'tenses' , when there are two past actions, the first past action should take past perfect tense , and the second past action should take simple past.

Answer 2

Answer:

The train had left before he reached