Pick itself is present tense.
The past tense of pick is picked.
The present perfect tense of picks is:I/You/We/They have picked.He/She/It has picked.
Pick up.
The past tense of "pick" is "picked."
Pick in the past tense is picked.
Picked/chosen.
The verb is is the present tense.
Picked is the past tense and past participle of pick.
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".
The past tense of "pick up" is "picked up."