SIMPLE PAST REGULAR VERBS

The simple past is used to describe an action that ocurred and was completed in the past.
The simple past is formed adding -ED to the base form of the verb (infinitive without to).

Base form + ED = SIMPLE PAST

walk------walked
play ------played
push------pushed
greet-----greeted
watch----watched

The simple past of regular verbs is very easy. It is the same for all persons, here are example sentences of the simple past with the verb study.
I studied
You studied
He studied
She  studied
It studied
We  studied
You studied
They studied

For regular verbs ending in the vowel -E add -D

Hate----hated
Seize ---seized
Hope---hoped
Tie-----tied
Free---freed

For regular verbs ending in a vowel other than -E add -ED

Ski----skied
Echo--echoed

EXCEPTIONS: THE VERBS GO AND DO ARE IRREGULARS

For regular verbs ending in a vowel + Y, add -ED.

Play-----played
Decay---decayed
Enjoy---enjoyed

For regular verbs that end in a consonant and -Y, change the -Y to -I and add -ED.

Cry----cried
Dirty---dirtied

EXCEPTION: FLY IS IRREGULAR.

For regular verbs ending in a CONSONANT + VOWEL + CONSONANT, dobble the final consonant before addding -ED.

Plan--planned
strep--strepped
dam---dammed

ACTIVITIES:

ACTIVITY 1 
ACTIVITY 2
ACTIVITY 3