Sell is present tense.
I/We/You/They sell
He/She/It sells
Selling is the present participle.
sell
Sell
'sold' is already past tense. Present tense is 'sell'.
I/We/You/They have soldHe/She/It has sold
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
"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