Question

the Train left the station then the passengers arrived using the past perfect and the simple past ​

Answer 1

Past perfect: When the train had left the station passenger arrived.

Answer 2

Answer:

The given sentence is the train left the station then the passengers arrived.

Upon converting the given sentence into past perfect the sentence will be as following: When the train had left the station, the passengers arrived

When the given sentence will be changed into simple past the sentence will be following: When the train leaves the station then the passengers arrive.