Simple: HAD + past participleAn action occurred before another action in the past.
( had lived, had sung …).
I lived in Miami, Florida. I had lived in New York City before.
Continuous: HAD BEEN + V-ing
An action started in the past and continued up until another time in the past
( had been living, had been singing …).Remember that horrible day: You eventually arrived. I had been waiting for you for two hours!
( had lived, had sung …).
I lived in Miami, Florida. I had lived in New York City before.
Continuous: HAD BEEN + V-ing
An action started in the past and continued up until another time in the past
( had been living, had been singing …).Remember that horrible day: You eventually arrived. I had been waiting for you for two hours!