could preinstall
Verbo regular: preinstall - preinstalled- preinstalled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could preinstall
you could preinstall
he could preinstall
we could preinstall
you could preinstall
they could preinstall 	I could be preinstalling
you could be preinstalling
he could be preinstalling
we could be preinstalling
you could be preinstalling
they could be preinstalling	I could have preinstalled
you could have preinstalled
he could have preinstalled
we could have preinstalled
you could have preinstalled
they could have preinstalled	I could have been preinstalling
you could have been preinstalling
he could have been preinstalling
we could have been preinstalling
you could have been preinstalling
they could have been preinstalling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not preinstall
you could not preinstall
he could not preinstall
we could not preinstall
you could not preinstall
they could not preinstall 	I could not be preinstalling
you could not be preinstalling
he could not be preinstalling
we could not be preinstalling
you could not be preinstalling
they could not be preinstalling	I could not have preinstalled
you could not have preinstalled
he could not have preinstalled
we could not have preinstalled
you could not have preinstalled
they could not have preinstalled	I could not have been preinstalling
you could not have been preinstalling
he could not have been preinstalling
we could not have been preinstalling
you could not have been preinstalling
they could not have been preinstalling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I preinstall?
could you preinstall?
could he preinstall?
could we preinstall?
could you preinstall?
could they preinstall? 	could I be preinstalling?
could you be preinstalling?
could he be preinstalling?
could we be preinstalling?
could you be preinstalling?
could they be preinstalling? 	could I have preinstalled?
could you have preinstalled?
could he have preinstalled?
could we have preinstalled?
could you have preinstalled?
could they have preinstalled? 	could I have been preinstalling?
could you have been preinstalling?
could he have been preinstalling?
could we have been preinstalling?
could you have been preinstalling?
could they have been preinstalling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not preinstall?
could you not preinstall?
could he not preinstall?
could we not preinstall?
could you not preinstall?
could they not preinstall? 	could I not be preinstalling?
could you not be preinstalling?
could he not be preinstalling?
could we not be preinstalling?
could you not be preinstalling?
could they not be preinstalling? 	could I not have preinstalled?
could you not have preinstalled?
could he not have preinstalled?
could we not have preinstalled?
could you not have preinstalled?
could they not have preinstalled? 	could I not have been preinstalling?
could you not have been preinstalling?
could he not have been preinstalling?
could we not have been preinstalling?
could you not have been preinstalling?
could they not have been preinstalling?