Long verbs with a stressed syllable at the end, where the last three letters follow a consonant-vowel-consonant pattern Short verbs, where the last three letters follow a consonant-vowel-consonant pattern While the simple past and past participle of regular verbs are usually formed by adding the suffix “-ed,” this can vary depending on the verb’s ending. You have walked to the office every day for the past week. I had just started to study when my neighbor called. Examples: Regular verbsPaula started to cook. For most regular verbs, both their simple past and past participle (i.e., the form used in perfect tenses and passive constructions) are formed by adding “-ed” to the end of the verb. Regular verbs follow standard conjugation rules.