Action that started and finished in the past
Yesterday/Last/Ago
It is used with DYNAMIC verbs.
unfinished time
while
Do & does
He/She/It + Verb + S
for/since
Habits & things that happen regularly
Routines
Conjugated Verbs in the affirmative form
Did
Events on a schedule
Action in progress in the past that is interrupted
have/has + past participle
experiences
already/yet/recently
Was/Were+ verb + ING
related to the present