could preshow
Irregular verb: preshow - preshowed- preshown

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't preshow
you couldn't preshow
he couldn't preshow
we couldn't preshow
you couldn't preshow
they couldn't preshow 	I couldn't be preshowing
you couldn't be preshowing
he couldn't be preshowing
we couldn't be preshowing
you couldn't be preshowing
they couldn't be preshowing	I couldn't have preshown
you couldn't have preshown
he couldn't have preshown
we couldn't have preshown
you couldn't have preshown
they couldn't have preshown	I couldn't have been preshowing
you couldn't have been preshowing
he couldn't have been preshowing
we couldn't have been preshowing
you couldn't have been preshowing
they couldn't have been preshowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I preshow?
couldn't you preshow?
couldn't he preshow?
couldn't we preshow?
couldn't you preshow?
couldn't they preshow? 	couldn't I be preshowing?
couldn't you be preshowing?
couldn't he be preshowing?
couldn't we be preshowing?
couldn't you be preshowing?
couldn't they be preshowing? 	couldn't I have preshown?
couldn't you have preshown?
couldn't he have preshown?
couldn't we have preshown?
couldn't you have preshown?
couldn't they have preshown? 	couldn't I have been preshowing?
couldn't you have been preshowing?
couldn't he have been preshowing?
couldn't we have been preshowing?
couldn't you have been preshowing?
couldn't they have been preshowing?