Already is an adverb, not a verb. Only verbs have tenses.
"I was" is already in the past tense. "I am" is present tense.
Could is already the past tense. It is the past tense of the verb "can".
Wore is already past tense.
Arrived is already in past tense. It is the past-tense form of the word arrive.
It already is past tense. Bring or to bring is the present tense.
Already is not a verb and does not have a past tense.
"I was" is already in the past tense. "I am" is present tense.
Did not do it -> did not do it (same past tense form)
Wrote is past tense. It is the past tense of write.Wrote is already a past tense.
Could is already the past tense. It is the past tense of the verb "can".
Already is not a verb, so it does not have a past perfect tense.
Wore is already past tense.
Approved is already in the past tense.
Pursued is already the past tense.
He stood is already the past tense.
Rumored is already the past tense.
Swung is already in the past tense. It's the past tense of swing.