Renunciation is not a verb therefore it doesn't have a past tense.
However renounce is a verb and the past simple is renounced
Religion isn't a verb and doesn't have a past tense.
The past tense is blessed.
The past tense is sinned.
The past tense is preached.
The past tense of worship is worshiped.
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 past tense of the verb 'am' is 'was' or 'were.' The verb 'am' is derived from the verb 'to be.'
No - a past tense verb is a past tense verb, nothing to do with nouns.
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.
Departure is not a verb and does not have a past tense. Depart is a verb, and the past tense is departed.
Slept is the past tense of the verb sleep, so there is no past tense for it.
Inactive is not a verb and does not have a past tense. Inactivate is a verb, and the past tense is inactivated.
Planned is a verb. It is the past tense of plan.
"Past" is not a verb, therefore it cannot have a past tense. "Passed" is a verb, in the past tense.
were is the past tense for are.
"These" is not a verb and does not have a past tense.