Desk is rarely used as a verb - it's primarily a noun.
When used as a verb, the present tense is:
Has is the present tense of possessing something. Had is the past tense of having at some point possessed something. He has a pen on his desk. He had a pen on his desk earlier.
"There was a plethora of items in her desk." "Plethora" is not a verb / action word, so it will not change forms from a present to a past tense.
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.
'The stapler and the tape are sitting on the desk' is a present continuous sentence.You can tell it is present continuous because it has a present tense 'be' verb (are) and a present participle ( -ing verb, sitting). Present continuous is usually used to talk about something that is happening now.I am writing an answer to a question - present continuous.
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.