Because commands are given now - in the present.
The future tense of "give" is "give", example; "I will give you the answer". The present tense is "giving", example; "I am giving you the answer". The past tense is "gave", example; "I gave you the answer". You can also use "given" for past tense, example "I had given everything".
"is' is present tense. For past tense use was or were.
"Give" is in the present tense, or could be future tense. "Gave" is in the past tense. Use give when you are talking about doing it soon, or in the future. Use gave when you are talking about something you already did.
You should use present tense.
The present tense of the verb "use" is "uses" for third person singular (he, she, it) and "use" for all other subjects (I, you, we, they).
The past tense of "has" would be "had" or "have".Present tense is has or have. Past tense is had.he/ she/ it use has all other subjects use have.He has my book.I have his book.They have no books.
The past tense of "be" is "was/were." The present tense of "be" is "am/is/are."
Use/uses is the present tense.I useWe useYou useHe/she usesThey use
The present tense of used is:I/You/We/They use.He/She/It uses.The present participle is using.
is - is present tense. He is from China. was - is past tense. He was sick last week.
You have to you have in present tense. You had to use had to write that sentence- use had in past tense.
The present tense of use is:I/You/We/They use.He/She/It uses.