Regular Verbs

If the verb is regular, the past simple ends  in ed


3.) SPELLING RULES FOR SIMPLE PAST TENSE OF REGULAR VERBS
a.) If the verb ends in a consonant, add –ed.
return - returned, help - helped, cook - cooked
b.) If the verb ends in –e, add –d.
live - lived, create - created, die - died
c.) In one-syllable words, if the verb ends in a consonant-vowel-consonant combination (CVC), double the
last consonant and add -ed.
hop - hopped, rub - rubbed
However, do not double one-syllable words ending in –w, -x, or –y.
bow - bowed, play - played, mix - mixed
d.) In words of two or more syllables that end in consonant-vowel-consonant combination, double the last
consonant only if the last syllable is stressed.
prefer - preferred (The last syllable is stressed.) visit - visited (The last syllable isn’t stressed)
e.) If the verb ends in a consonant, + y, change the -y to -i and –ed.
worry - worried, copy - copied
f.) If the verb ends in a vowel +y, add -ed. (Do not change the –y to –i.)
play - played, annoy - annoyed

Exception: pay - paid, lay - laid, say - said