Known is the past participle of the verb know.
Known is the past participle of know know / knows = present tense knew = past tense known = past participle knowing = present participle
Known is the past participle of know. The present perfect tense of know is have/has known.
Past tense I had Present tense I have Future Tense I will have
Have is present tense. The past tense is had.
No 'is' is present tense. am/is/are = present tense was/were = past tense
Present - am. Past - was and were.
Creep is present tense. The past tense is crept.
"Has" is the present tense form of the verb "have." The past tense form of "has" is "had."
Present tense - clean. Past tense - cleaned. Present tense - work. Past tense - worked. Present tense - play. Past tense - played.
Go is present tense. The past tense is went.
Should is present tense.
"is' is present tense. For past tense use was or were.