Which tense is correct to use?
"they were married for 14 years before divorcing in 2016" or "they had been married for 14 years before divorcing in 2016"
There's a relative event mentioned, i.e. before divorcing. So, to my mind, the only grammatical option is to use the Past Perfect Progressive. But why would anyone use the Past Simple ?
Another similar example:
"I had been explaining this rule to you for half a lesson before I gave you a test"
This is how I was taught to use the Past Perfect Progressive.
Should I rather use the past progressive then?
"I was explaining this rule to you for half a lesson before..."