Jerónimo's Lesson

Perfect tenses: past

Past Perfect

Refers to a time earlier than before now.
To make clear that one event happened before another in the past.
Event A is the event that happened first and Event B is the second or more recent event.

Affirmative	S + HAD + VERB IN P. PARTICIPLE
Negative	S + HADN'T + VERB IN P. PARTICIPLE
Interrogative	HAD/HADN'T + S + VERB IN P. PARTICIPLE + ?

Ex. The train had just left when I arrived at the station.

I had watched the movie before I read the book.

I had saved my document before the computer crashed.

He was very tired because he hadn't slept well.

Sheila hadn't teached German before, and she was nervous.