he is come to office vs he has come to office

Some examples from the web:

• Come to office 206 at nine on Monday.
• If you're genuinely interested in the case, come to office hours and I'll fill you in.
• President Johnson Sirleaf began her address by pointing out that her government had come to office only eight months ago, and they had accepted that responsibility fully aware of the magnitude of the challenges the country faced after fourteen years of civil war and destruction.
• Take two aspirin and come to my office tomorrow.
• Nancy Aaronson, come to my office, please.
• Tell them about the people who come to the office.
• Come to my office this afternoon and report a missing person and a theft.
• Come to my office first thing.
• When your shift's over, come to my office.
• At the end of the week, come to my office.
• Simo, come to the office.
• I come to your office, I knock.
• Come to the office but go to empty floor on 16th.
• You better come to the office.
• Yes, come to my office tomorrow.
• So please come to my office so we can begin.
• Clean it up and come to my office for the meeting.
• Come to the office after the meal.
• Come to my office or confessional, if you prefer.
• Well, leave the report and come to my office.

Some examples from the web:

• Come to office 206 at nine on Monday.
• If you're genuinely interested in the case, come to office hours and I'll fill you in.
• My time in office has come to an end.
• President Johnson Sirleaf began her address by pointing out that her government had come to office only eight months ago, and they had accepted that responsibility fully aware of the magnitude of the challenges the country faced after fourteen years of civil war and destruction.
• This has come directly from the office of the Deputy Chief Constable.
• Take two aspirin and come to my office tomorrow.
• Nancy Aaronson, come to my office, please.
• Tell them about the people who come to the office.
• Come to my office this afternoon and report a missing person and a theft.
• Come to my office first thing.
• When your shift's over, come to my office.
• At the end of the week, come to my office.
• Simo, come to the office.
• I come to your office, I knock.
• Come to the office but go to empty floor on 16th.
• You better come to the office.
• Yes, come to my office tomorrow.
• So please come to my office so we can begin.
• Clean it up and come to my office for the meeting.
• Come to the office after the meal.