The document discusses regular and irregular verbs in English and how their past tense forms are classified. Regular verbs form the past tense by adding "-ed" to the base verb, such as "danced" and "played". Irregular verbs do not follow this pattern and instead have unique past tense forms, like "went", "read", and "wrote". Several examples of regular and irregular verbs are provided, along with charts illustrating their inflection patterns. Exercises are included for the reader to practice identifying and forming the past tenses of different verbs.

1. SIMPLE
PAST TENSE
Regular and Irregular Verbs

2. VERB CLASSIFICATION:
 How can be verbs classified
according to the way they form
their past tense?
Verb
Regular Irregular

3. LOOK AT THESE VERBS!
ARE THEY REGULAR OR IRREGULAR?
 DANCED
 PLAYED
 WENT
 READ
 WROTE
 CUT
 CAME
 BOUGHT
 LIKED

4. WHY IS “DANCE” A REGULAR VERB?
WHY IS “SING” AN IRREGULAR VERB?

5. WHY IS “WATCH” A REGULAR VERB?
WHY IS “EAT” AN IRREGULAR VERB?

6. REGULAR VERBS:

7. REGULAR VERBS ADD –ED.

8. TAKE A CAREFUL LOOK AT THE
FOLLOWING CHART:

9. MORE EXAMPLES OF REGULAR VERBS:

10. IRREGULAR VERBS:

11. IRREGULAR VERBS DO NOT ADD –ED-

12. TAKE A LOOK AT THE CHART BELOW.
INFINITIVE FORM SIMPLE PAST TENSE
COST COST
WRITE WROTE
GO WENT
DO DID
READ READ

13. ANOTHER EXAMPLE OF IRREGULAR VERBS:

14. LIST OF IRREGULAR VERBS:

15. AFFIRMATIVE SENTENCES:
 I cooked yesterday.
 He bought a new car last year.

16. INTERROGATIVE AND NEGATIVE SENTENCES:

17. QUESTION AND SHORT ANSWERS:

18. SUMMARY:

20. EXERCISE Nº1: MATCH

21. EXERCISE Nº 2: WRITE THE CORRECT
PAST FORM:
Infinitive Past Simple Infinitive Past Simple
bring give
bought went
come shut
do swim
drank take
drove tell
find taught
flew thought
forget understand
get (up) write

22. SUMMING UP: