"Do not send" is correct.
"Have sent" is grammatically correct.
You have sent is correct.
"Have it sent" is correct.
Will send is grammatically correct.
I have sent, he/she has sent, we have sent, they have sent.
"Have sent" is grammatically correct.
You have sent is correct.
"Have it sent" is correct.
"will send" is correct.
Will send is grammatically correct.
I have sent, he/she has sent, we have sent, they have sent.
"Will be sent" is correct. It follows the correct passive voice construction with the past participle "sent" after the auxiliary verb "will be".
Has sent is the proper form.
'Send out' is for things that do not come back. Send out the flyers. Send is just the simple expression of the verb. Send the kids to school.
No. Has sent is correct. This verb phrase should be -- has + past participle.Sent is the past form of send, the past participle of send is sent
Neither is correct. If you're going to use "have" you're making it past tense and the past tense of send is SENT. It would be "has been sent" or "has sent" depending on what you're trying to say.For example, "The package has been sent" or "He has sent the package."
Mail you had sent earlier is correct.