Remember the rules:
Rule #1
If a verb ends in -e, add -d.
like → liked Rule #2
If a verb ends in consonant + -y, change -y to -i and add -ed.
carry → carried

Rule #3
If a verb ends in vowel + -y, add -ed.*
play → played

Rule #4
If a verb ends in a consonant-vowel-consonant (CVC) pattern, double the final consonant and add -ed.**
hug → hugged

Rule #5
For all other verbs, add -ed.
watch → watched