They _________ working as a doctor for 30 years before they retired.
have worked
had been working
had worked
Kai failed the final test because he _________ class.
has not attended
had not been attending
had not attended
His father _________ his car all morning before he watched TV.
has washed
had been washing
had washed
Negative Form of Past Perfect Continuous is:
hadn't been + v-ing
hasn't been + v-ing
hadn't + v.3
Lisa _________ Japanese since last year before she moved to Japan.
had learnt
has learnt
had been learning
Jane __________ all afternoon before she went out.
had gardened
had been gardening
has gardened
Seth __________ late in the office that night before he went to bed.
had worked
had been working
has worked
My mom _________ in the kitchen for 2 hours so she felt very hot.
has cooked
has been cooking
had been cooking
I _________ my homework for a few days before I finished it.
have been doing
had been doing
have done
It __________ for several hours and the streets were very wet.
had rained
had been raining
has rained
Question Form of Past Perfect Continuous is:
had + S + v.3
have + S + been + v.ing
had + S + been + v.ing
We __________ to open the door for five minutes when Jane found her key.
had been trying
have tried
have been trying
Positive Form of Past Perfect Continuous is:
had been + v-ing
has, have been + v-ing
had + v.3
Her friends __________ calling the police when she walked in.
had been thinking
had thought of
have been thinking
Sombat was tired because he __________.
has been jogging
had jogged
had been jogging
__________ long before the taxi arrived?
Had you been waiting
Have you been waiting
Have you waited
Tanggwa gained weight because she ________.
has overeaten
has been overeating
had been overeating