The simple past tense of regular verbs is formed by adding "ed" to the infinitive. There are some spelling changes depending on the ending of the verb. Irregular verbs do not follow this pattern and must be memorized. The infinitive form of the verb is used after "did" or "didn't" in questions.

2.  The simple past of regular
verbs is very easy!
 There’s no 3rd person change.
 The basic rule is to add “ed” to
the infinitive. Ex:work (
present) worked ( simple past)

3. There are some spelling
changes:
Verbs ending in e: Just add
“d” , e.g., Change – Changed
Live – Lived; Like - Liked

4. There are some spelling changes:
Verbs ending in consonant +
Y:Change the Y to I and add
ED, e.g., cry-cried; study-
studied.
Os: Verbs ending in vowel+y.
Keep the y, e.g., play-played

5. There are some spelling
changes:
Verbs ending in consonant
+one vowel+consonant:
double the final consonant
and add ED, e.g., Stop-
Stopped.

6. There are some spelling
changes:
Verbs ending in vowel+w or
x DO NOT double final
consonant, e.g., relax -
relaxed.

7. Are the same of the irregular
verbs: Infinitive is used after
didn’t or Did:
Did you like the movie? ( yes/no
question)
Yes, I did or No, I didn’t
Did you live in Manaus last year?
Yes I did or No, I didn’t

8. Are the same of the irregular
verbs: Infinitive is used after
didn’t or Did:
Where did you live last year? (wh-
question)
I lived in Boston
What did Paula study on the
weekend?
She studied english