could preshow
Verbe irrégulier : preshow - preshowed- preshown

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could preshow
you could preshow
she could preshow
we could preshow
you could preshow
they could preshow 	I could be preshowing
you could be preshowing
she could be preshowing
we could be preshowing
you could be preshowing
they could be preshowing	I could have preshown
you could have preshown
she 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
she could have been preshowing
we could have been preshowing
you could have been preshowing
they could have been preshowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't preshow
you couldn't preshow
she 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
she 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
she 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
she couldn't have been preshowing
we couldn't have been preshowing
you couldn't have been preshowing
they couldn't have been preshowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I preshow?
could you preshow?
could she preshow?
could we preshow?
could you preshow?
could they preshow? 	could I be preshowing?
could you be preshowing?
could she be preshowing?
could we be preshowing?
could you be preshowing?
could they be preshowing? 	could I have preshown?
could you have preshown?
could she 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 she have been preshowing?
could we have been preshowing?
could you have been preshowing?
could they have been preshowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I preshow?
couldn't you preshow?
couldn't she 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 she 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 she 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 she have been preshowing?
couldn't we have been preshowing?
couldn't you have been preshowing?
couldn't they have been preshowing?