Past Tenses
by n a t i c
1. Past Perfect
1.1. previous action in the past
1.2. had V3
1.3. had
2. Past Progressive
2.1. process in the past at the moment
2.2. at 5 o'clock yesterday
2.3. was,were V ing
2.4. was,were
3. Past Simple
3.1. action in the past
3.2. yesterday, ago, last, 1996
3.3. V2 ed
3.4. Did
