Past Prefect Tense

Hello. .  Hello. .  ^^ 
Now, we will learn about Past Perfect Tense (PPT). .

 Definition :
Past perfect tense is a kind of tense that is used to describe an Action or an event that started in a certain time in the past and completed of finished certain time in the past too, or past perfect tense is used to Express an Action or an event that had happened before that other event or action happened.

Formula of Verbal Sentence:
(+)  SUBJECT + HAD + V3
(- ) SUBJECT + HAD + NOT + V3
(? ) HAD + SUBJECT + V3 + ?

Example:

+ She had put my book on the table last night.
- She had not put my book on the table last night.
? Had she put my book on the table last night?

Formula of Nominal Sentence
(+ )SUBJECT + HAD + BEEN+ NON VERB
(- )SUBJECT + HAD +NOT + BEEN+ NON VERB
(?) HAD + SUBJECT + BEEN+ NON VERB + ?

Example:
+ I had been there when the accident happened.
- I had not been Three when the accident happened.
? Had had been there when the accident happened?

*Note*

I had = I’d
You had = You’d
We had = We’d
They had = they’d
He had = he’d
She had = She’d
It had = It’d