shown
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.
Concerned can be a verb and an adjective. Verb: The past tense of the verb 'concern'. Adjective: Showing concern.
Interested can be an adjective and a verb. Adjective: Having or showing interest. Verb: The past tense of the verb 'interest'.
"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."
Rich is not a verb, rich is an adjective.richen is a verb, richened is the past tense.