Ø Past Perfect Continuous tense is used to describe an activity or a state which began in the past and lasted until a second time in the past.
Ø Past Perfect Continuous tense digunakan untuk menyatakan suatu kejadian / perbuatan yang masih sedang berlangsung ketika suatu kejadian lain terjadi di masa lampau. Perbuatan yang terjadi lalu dinyatakan dalam Simple Past.
Ø (+) : S + Had + Been + Verb-ing
o When I returned last night, They had been studying for half an hour.
o We had been working for hours by the time he got there.
o By 9 p.m last night, she had been preparing her homework for sometime.
Ø (-) : S + Had + Not + Been + Verb-ing
Note : Bentuk (-) dari tense ini jarang digunakan.
Ø (?) : Had + S + Been + Verb-ing
o Had you been waiting long when she returned last night ?
Answer : - Yes, I had.
- No, I hadn’t.
o How long had they been living there by last year ?
Answer : They had been living there for 2 years by last year.
Ø You can say that something had been happening for a period of time before something else happened.
o Our game of tennis was interrupted. We had been playing for about half an hour when it started to rainy very heavily.
o Ken gave up smoking two years ago. He had been smoking for 20 years.
Ø Had been-ing (Past Perfect Continuous) is the past of Have been-ing (Present Perfect Continuous). Compare
1. Present Perfect Continuous
S + Have/Has + Been + Verb-ing
o I hope the bus comes soon. I have been waiting 20 minutes
o He is out of breath. He has been running.
2. Past Perfect Continuous
S + Had + Been + Verb-ing
o At last the bus came. I had been waiting for 20 minutes.
o He was out of breath. He had been running.
Ø Compare had been doing and was doing (Past Continuous)
o It wasn’t training when we went out. The sun was shining. But it had been raining, so the ground was wet.
o Ann was sitting in an armchair watching television. She was tired because she had been working very hard.
Ø Some verbs (for example, know and want) are normally used in the continuous :
o We were good friends. We had known each other for years.