Roasted IS the past tense form of roast
roasted
The past tense of "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 past-tense verb for "be" is "was" or "were" depending on the subject.
The past tense of the verb 'am' is 'was' or 'were.' The verb 'am' is derived from the verb 'to be.'
"Shook" is the past tense of the verb, "to shake".
Departure is not a verb and does not have a past tense. Depart is a verb, and the past tense is departed.
Inactive is not a verb and does not have a past tense. Inactivate is a verb, and the past tense is inactivated.
Slept is the past tense of the verb sleep, so there is no past tense for it.
The past tense of the verb "lead" is "led".
The past tense of the verb 'pull' is 'pulled'.
"Past" is not a verb, therefore it cannot have a past tense. "Passed" is a verb, in the past tense.