the kinds of verbs	what to add	exemple
normal verbs	+ ED	paint -> painted
verbs finishing with - e	+ D	live -> lived
verbs finishing with consonant + y	- Y + IED	study -> studied hurry -> hurried
verbs finishing with one vowel and one consonant	dubble the consonant and add + ED	stop -> stopped plan -> planned
one-syllable verbs ended with vowel and -y or w	+ ED	show -> showed play -> played