Past Perfect
The Past Perfect is used to talk about an event that happened before another event occurred in the past. This tense shows which event happened first. This means we use the Past Perfect to talk about a past activity that occurred further in the past.
Affirmative sentences in Past Perfect
We use the auxiliary verb had and the Past Participle form of the main verb to form sentences.
Subject + had + Past Participle + the rest of the sentence
To shorten sentence we can contract had to ‘d, e.g. I had ⇒ I’d.
Negative sentences in Past Perfect
To form negative sentences we add not between had and the Past Participle.
Subject + had + not + Past Participle + the rest of the sentence
We can shorten had not to hadn’t.
Questions in the Past Perfect
Questions are formed by inversion of had.
Had + subject + Past Participle + the rest of the sentence
The Usage of Past Perfect
We use the Past Perfect to talk about:
Adam had worked here before 2015.
By the time she woke up, her husband had already gone to work.
She had had her dog for two weeks before she figured out that it’s a male.
I wish I hadn’t eaten that cake!
I bought a new car because my old one had broken down.
It seemed as if he had just shoved everything under the bed quickly.
We had never seen anything that beautiful before.
I had wanted to try it out but I changed my mind.