turn
I/you/we/they turn. He/she/it turns. The present participle is turning.
turn
Have/has turned.I have turnedWe have turnedYou have turnedHe/she has turnedThey have turned
The verb is is the present tense.
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
Present tense verbs can have different forms. For example: Talk can be a present tense verb -- They talk too much. Talk is the base form of the verb Talks is a present tense verb -- She talks too much. Talks is the base verb + -s talking is a present tense verb -- she is talking too much. Talking is the base verb + -ing
"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