Grammar Unit 18
Past Perfect Simple
Form: had and the past participle of the verb:
Negative: put not between had and the past participle of the verb.
Interrogative: put had before the subject and the past participle verb after the subject
What is the Past Perfect Simple.
BUT we use the PPS for the first action and PT for the second action.
By the time we arrived at school, our teacher had left.
He had learned to drive before 2001
Time expressions used with the past perfect:
By the time I got to class, they had already taken in the communication books.
What action happened first and what happened second?