Past Perfect ContinuousTense Rules

PAST Perfect Continuous Tense (Simple sentences)
examples
Subject
Had been
Verb+ing
For/since
Objects
He had been working for two hours.
I had been working since Monday .
Jack and Sam had been working for two years.
PAST Perfect  Tense (negative sentences)
Subject
had been
not
Verb+ing
For/since
Objects
He had not been working for two hours.
I had not been  working since 11 o’clock.
Jack and Sam had not been  working for two years.
Present Perfect  Tense (Interrogative sentences)
Had
Subject
been
Verb+ing
For/since
Objects
Had  he been working for two months?
Had  I been working since Monday?
Had Jack and Sam been working for two years?
Present Tense (Interrogative and negative sentences)
Had
Subject
Not been
Verb+ing
For/since
Objects
Had  he not been  working since July?
Had  I not  been  working for three hours?
Had it not  been  working since Tuesday ?
Had Jack and Sam not been  working for two years?
See also  FutureTenses Simple Sentences Rule | Tenses Rules| Future Tense Examples