Help For A Sentence

[Volcano1985]

I am one, as much as one can do

I am what i can do

I am that, as much as I can do

I am trying to make such a sentence, could you help me ?

[susiedqq]

I can only do as much as one can.

I am doing as much as I can

I am doing as much as I can do about that.

[Charlie Bernstein]

I am one, as much as one can do

I am what i can do

I am that, as much as I can do

I am trying to make such a sentence, could you help me ?

How about:

I'm doing my best.
I can only do so much.
I'm doing as much as one person can.

[I edit copy and have tutored college writing.]

[Volcano1985]

Thanks for your answers.How about:

I am all i can do

All I can do is me

[Adil-FRANCE]

hey ! there's a idiom for this

what you get is what you see

[Adil-FRANCE]

Thanks for your answers.How about:

I am all i can do

All I can do is me

you must say it differently I think, so I suggest :

I'm what I can only do