"Rotten" isn't a verb, so it doesn't have any tenses.
"Rotten" can be used as an adjective (rotten food) and as an adverb (to spoil someone rotten).
"Rot" is a present tense verb. Its past tense and past participle is "rotted".
Excite is the present tense.
The present tense is loving.
'admire" IS the present tense
The present perfect tense of "are" is "have been."
Drag IS the simple present tense.
'Rotten' is an adjective. Only verbs have a past tense.
The verb is is the present tense.
Rotted
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
It was, (past tense) it is, (present tense) it will be( future tense)
Past tense I had Present tense I have Future Tense I will have
"Has" is in present tense. The past tense is "had".
No 'is' is present tense. am/is/are = present tense was/were = past tense
Present tense
the present of did is didnt Do is the present tense of did. Didn't is the past negative form
Creep is present tense. The past tense is crept.
Should is present tense.