My train left at 8:00
I was late, I arrived at 8:10
When I arrived at the station, my train had left
Past perfect = had + past participle
The past perfect is used to show that action 1 happened before action 2.
my boss cancelled the meeting —– I didn’t go to the meeting =
“I didn’t go to the meeting
boss had cancelled it”
Note again the difference between simple and progressive forms:
present simple: I work in a bank
present progressive: I’m working until five today.
Present perfect (simple) : I’ve worked here for two years
Present perfect (progressive): I’ve been working since 8 O’clock
Past perfect (simple) : At my interview I told them that I had worked in a bank before
Past perfect (progressive): I had been working at the bank for one year when I decided to change jobs