Why do you say Puedale instead of Puede Vd.? First - why do you say 'Pueda' instead of 'Puede' and then why do you say Puedale instead of 'Puede Vd. ' ? Thank you for your help .

Question

Why do you say 'Puedale me mostra ' instead of ' Puede Vd.

mostrarme '

First -  why do you say  'Pueda'  instead of Puede .   Then 

why do you say 'le' instead of 'Vd.' ? And lastly, why do you

say 'me mostra' instead of 'mostrarme ' ?

 Thank you for your help .  

Answer 1

Never have heard/seen it and it looks/sounds very wrong to me. "¿Puede mostrarme (otro/a [o lo que sea])?"

Answer 2

There are various grammatical reasons, imperative formal/informal, Subjunctive formal/informal. Can you give some context, ie a sentence.