The document discusses the concepts of past simple and past continuous tenses in English grammar. It covers regular verbs, including spelling rules, and irregular verbs, along with the use of these tenses in conjunction with 'when' and 'while'. Overall, it serves as a guide on how to properly use these tenses in sentences.

1. PAST SIMPLE
AND
PAST CONTINUOUS
By
guerina3

2. PAST TO BE

3. REGULAR VERBS

4. REGULAR VERBS (SPELLING RULES)

5. IRREGULAR VERBS

6. PAST CONTINUOUS

7. COMBINATION OF PAST SIMPLE AND
CONTINUOUS

8. WHEN AND WHILE