Yes, spun is the past tense of spin.
Spun is a verb. It's the past tense and past participle of spin.
The past tense of spin is spun and the past participle is also spun.
SPUN (I spun out of control) (I was spinning out of control)
The past tense is re-spun.
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