Start is a regular verb so you add -ed to make the past tense = started
Compare this with irregular verbs their past tense is not made by adding -ed they have another word or sometimes the same word.
eg cost - past is cost. Run - past is ran. See - past is saw.
The past tense of the verb "start" is "started."
The verb "start" can be present tense (start, starts), past tense (started), or future tense (will start).
Start is a regular verb; therefore, its past tense is started.
The past tense of the verb 'am' is 'was' or 'were.' The verb 'am' is derived from the verb 'to be.'
The past tense verb for "do" is "did."
By is not a verb and does not have a past tense. Buy is a verb, and the past tense is bought.
The verb is still "to be", regardless of the tense. It is an irregular verb, and the past tense forms are was for I and he/she/it, and were for we, you, and they.
"Shook" is the past tense of the verb, "to shake".
The past tense of the verb to promise is promised.
reside is the verb. Resided is the past tense.
The past tense of the verb take is took
The abbreviation for the past tense verb is "past."