"have been orginated"

Simpler to say 'it is widely believed modern humans originated in Africa' no need for 'have been' in any instance.

Better to say 'it is widely believed that modern man originated from Africa' no need for 'have been' in any case.

Passive use of "originate" is possible for things that have been devised by humans (e.g. "all designs were originated by the company"), but it seems wrong to me for natural events, at least in the cases that I can think of. In this case, additionally, the use of present perfect seems odd. You can say "Humankind originated in Africa".

Thank you very much GPY and Karl.

Would you please check this, too?

Humankind originated from Africa.

In the sentence above I consider originate as a start/begin.

I used 'from' purely because we are now spread out. I am by no means an expert, my opinion is based purely on what 'sounds' right to me. I would go with what GPY says :-)

MIGThank you very much GPY and Karl.Would you please check this, too?Humankind originated from Africa.In the sentence above I consider originate as a start/begin.

In my opinion it should be "Humankind originated in Africa". "originated from" implies that one thing became another or was the cause of another, as in "English originated from a fusion of clo

As always thank you very much GPY.
And also thank you Karl and welcome to EnglishForward.