> 
> Lance: It is a total loss.
> 
> 
> Lance's son: How does this even happen?
> 
> 
> Woody Woodpecker (is hiding in the tree hole): I'm so sorry! I didn't
>  mean to!
> 
> 
> Fireman: Well, I think we found the cause of the fire. It looks like
>  something was destroying the wall and hit the wiring. It is probably a
>  small animal, mouse or a rat or a bird or something.
> 
> 
> Lance:Bird?Like a woodpecker?
> 
> 
> Fireman: That's possible.
> 
> 
> Lance's son: Dad, **woody wouldn't have done this!** It couldn't have been
>  him!
> 
> 
> Lance: Really?
> 
> 
> 

1) Why did Lance's son use "would + have +p.p"? I think he could have said "Dad, woody didn't this". 

It is a little bit confusing.

Movie: Woody Woodpecker