could preshow
Verbo irregular: preshow - preshowed- preshown

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could preshow
you could preshow
he could preshow
we could preshow
you could preshow
they could preshow 	I could be preshowing
you could be preshowing
he could be preshowing
we could be preshowing
you could be preshowing
they could be preshowing	I could have preshown
you could have preshown
he could have preshown
we could have preshown
you could have preshown
they could have preshown	I could have been preshowing
you could have been preshowing
he could have been preshowing
we could have been preshowing
you could have been preshowing
they could have been preshowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not preshow
you could not preshow
he could not preshow
we could not preshow
you could not preshow
they could not preshow 	I could not be preshowing
you could not be preshowing
he could not be preshowing
we could not be preshowing
you could not be preshowing
they could not be preshowing	I could not have preshown
you could not have preshown
he could not have preshown
we could not have preshown
you could not have preshown
they could not have preshown	I could not have been preshowing
you could not have been preshowing
he could not have been preshowing
we could not have been preshowing
you could not have been preshowing
they could not have been preshowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I preshow?
could you preshow?
could he preshow?
could we preshow?
could you preshow?
could they preshow? 	could I be preshowing?
could you be preshowing?
could he be preshowing?
could we be preshowing?
could you be preshowing?
could they be preshowing? 	could I have preshown?
could you have preshown?
could he have preshown?
could we have preshown?
could you have preshown?
could they have preshown? 	could I have been preshowing?
could you have been preshowing?
could he have been preshowing?
could we have been preshowing?
could you have been preshowing?
could they have been preshowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not preshow?
could you not preshow?
could he not preshow?
could we not preshow?
could you not preshow?
could they not preshow? 	could I not be preshowing?
could you not be preshowing?
could he not be preshowing?
could we not be preshowing?
could you not be preshowing?
could they not be preshowing? 	could I not have preshown?
could you not have preshown?
could he not have preshown?
could we not have preshown?
could you not have preshown?
could they not have preshown? 	could I not have been preshowing?
could you not have been preshowing?
could he not have been preshowing?
could we not have been preshowing?
could you not have been preshowing?
could they not have been preshowing?