could preinstall
Verbo regular: preinstall - preinstalled- preinstalled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't preinstall
you couldn't preinstall
he couldn't preinstall
we couldn't preinstall
you couldn't preinstall
they couldn't preinstall 	I couldn't be preinstalling
you couldn't be preinstalling
he couldn't be preinstalling
we couldn't be preinstalling
you couldn't be preinstalling
they couldn't be preinstalling	I couldn't have preinstalled
you couldn't have preinstalled
he couldn't have preinstalled
we couldn't have preinstalled
you couldn't have preinstalled
they couldn't have preinstalled	I couldn't have been preinstalling
you couldn't have been preinstalling
he couldn't have been preinstalling
we couldn't have been preinstalling
you couldn't have been preinstalling
they couldn't have been preinstalling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I preinstall?
couldn't you preinstall?
couldn't he preinstall?
couldn't we preinstall?
couldn't you preinstall?
couldn't they preinstall? 	couldn't I be preinstalling?
couldn't you be preinstalling?
couldn't he be preinstalling?
couldn't we be preinstalling?
couldn't you be preinstalling?
couldn't they be preinstalling? 	couldn't I have preinstalled?
couldn't you have preinstalled?
couldn't he have preinstalled?
couldn't we have preinstalled?
couldn't you have preinstalled?
couldn't they have preinstalled? 	couldn't I have been preinstalling?
couldn't you have been preinstalling?
couldn't he have been preinstalling?
couldn't we have been preinstalling?
couldn't you have been preinstalling?
couldn't they have been preinstalling?