Past Perfect Continuous

Past Perfect Continous

We use the Past Perfect Continuous to show that something started in the past and continued up until another time in the past.Notice that this is related to the Present Perfect Continous however, the duration does not continue until now, it stops before something else in the past.

for eg.

when I got up my alarm had been ringin for 10 minutes

when I arrived to the cinema the film had been on for 30 minutes