PAST TENSE

is known. Furthermore, simple past is used for retelling successive events. That is why it is commonly used in storytelling.
Past tense is used to talk about things that happened in the past.
Formula:

• Patern A : S + TO BE (WAS/WERE) + O
(+) S + WAS/WERE + O
(-) S + WAS/WERE + NOT + O
(?)WAS/WERE + S + O +?

• Patern B : S + VERB II + O
(+) S + VERB II + O
(-) S + DID + NOT + VERB I + O
(?) DID + S + VERB I + O + ?

Time signal:

• Yesterday
• Yesterday morning
• Last Monday
• Last night
• Last month
• An hour ago
• In 1978
• The other day
• Every day last year
• Last year