The past perfect tense

The past perfect tense
Look at this sentence .
I had eaten my breakfast before I went to school.

How is the past perfect formed?
Tom had played football before he went back home.
had+V3.

Use
We use Past Perfect Tense to describe
happening before

Use
Example 1:
The train had gone when I arrived at the station.

Use
Time diagram of Example 1:
The train had gone when I arrived at the station.
The train had gone
We don’t know when exactly the train went (Action 1) but it went at any point of time before the moment I arrived (Action 2).

Look at this example.
he made a telephone call.
After he had taken his music lesson,

What had Tom done before he went fishing?
before he went
fishing.
Tom had repaired his car,

The key words of this tense are:
after
as soon as
Past simple
{had+V3}

The key words of this tense are:
before
By the time
{past simple}
+ Had+PP

The use of the past perfect tense.
We use the past perfect to talk about an action which happened before another action in the
past

Make similar sentences using after and before.
Finish work-watch TV
After I had finished work ,I watched TV
Before I watched TV ,I had finished my work.

Make similar sentences using by the time and as soon as
Eat breakfast-go to school
By the time I went to school,I had eaten my breakfast.
As soon as I had eaten my breakfast,I went to school

Make similar sentences using by the time and as soon as
Police arrive-thief escape
By the time the police arrived,the thief had escaped.
As soon as the thief had escaped ,the police arrived.