What is the form for past perfect tense?
Have+being+past participle
Have +been+simple past verb
Had+continuous verb
Had + past participle
When do you use past perfect tense?
something didn't happened yet but will happen
describe something happened before another in the past
describe an action is happening now
describe an action had done in the past
You are too late, the train _____.
had been leave
had left
is left
has left
He _____ not left yet.
had
haven't
have
has
Linda says that she _____ to that swimming before.
had been
have gone
have been
was going to
George _____ finished his homework yet.
had not
was
has just
will be
I had already _____, so I didn't feel hungry at all.
eaten
been eating
eat
ate
I lost so much weigh because I _____ exercising.
had begun
have been
have begun
am doing
I _____ already _____ asleep before 11 pm.
had / fell
have / fall
had / fallen
have / fallen
I _____ that house for eight years before the fire.
had had
have
had have
had
