This document reviews simple past grammar rules including: affirmative sentences use the subject followed by the verb in the simple past tense and complement; negative sentences use the subject, didn't, and verb in the present tense plus complement; question sentences use did, subject, verb in the present tense, complement, and a question mark.

1. REVIEW OF SIMPLE PAST GRAMMAR
AFFIRMATIVE:
Subject + Verb in SIMPLE PAST + Complement
I studied yesterday (study-studied-studied-studying)
They ran in the park
(run-ran-run-running)
NEGATIVE:
Subject + DIDN’T + Verb in PRESENT + Complement
She didn’t go to Mexico City
(go-went-gone-going)
We didn’t have English class
(have-had-had-having)
QUESTION:
DID + Subject + Verb in PRESENT + Complement + ?
Did he play soccer?
(play-played-played-playing)
Did you cut a tree?
(cut-cut-cut-cutting)