(1) To show an action happened in the past
before another event took place
(A) Words usually used with the Past
Perfect tense are: When and After
(B) Words such as already, Just and
As Soon As are also used with the
Past Perfect tense.
After I had eaten five apples, I felt ill.
It had already stopped raining when I bought an umbrella.
The whole house had already burnt
down when the firemen arrived.
I arrived at the cinema
after the movie had
started.
(2) For an action which happened before
a definite time in the past
They had finished their prayers by 10 o'clock.
(3) For an action which took place
and completed in the past
He had hurt his back in an accident
at work and he had to stay home for
three months.
(4) The past perfect is commonly used
in reported speech. If the actual
spoken words use the simple past,
the past perfect is often used in
reporting those words
Common reporting verbs include Tell (someone),
Say, Find Out, Learn and Discover
Jenny said she had lost her keys.
If either Before or After is used in
the sentence, the Past Perfect is
often not necessary because the
time relationship is already clear
After the guests left, I went to bed
= I left to bed after the guests left
Past Perfect tense used
after certain expressions:
I knew (that) his brother had gone to work overseas.