الخطا فين:' I'll do all what I can to help you

:::;all that

اليك منى كل احترام وتقدير
I'll do all (that) I can to help you. -
What is not used as a relative pronoun. after all, everything, anything
etc, use that or nothing: 'You can have anything (that) you like.''I have
everything (that) I need for the time being.'