I am become death

Neither makes any sense, really, out of context. Please post some.

"I am become Death, the shatter of worlds" is a famous citation of Oppenheimer, J.Robert, who said it under the impression of first atomic bomb having been launched on 16 July, 1945.
In reference to the http://en.wikipedia.org/wiki/Trinity_test in New Mexico, where his Los Alamos team first tested the bomb

Ah, now I see.

Yes, 'am become' is an archaic structure for 'have become'. I don't know enough about the history of the grammar to tell you any more about this development, but as Fandorin says, you cannot amend its structure.

Thank you.I did not know this and this usage before

I do not understand why but my previous post was deleted because of distractive message claim.
I have never heard of this citation and I was trying to help someone. And the situations I suggested are very probable and true.
This was my trying without context or reference,of course If I knew I would not be directing wrongly.I do not accept this irrelevant claim anyhow.This is very prejugd

This was my trying without context or reference
This is why I deleted your post as providing no progress for the thread, Sunsail. If you are confronted with too little context, then ask the previous poster to provide more. Do not post to active threads without preparation or consideration. If you wish to start a thread of your own, as a student, you may do so with a simple ques

Let him clear out thread's "appropriateness and relevance". I made a positive contribution.I believe.Anyway
Best Regards