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