could install
Verbo regular: install - installed- installed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could install
you could install
she could install
we could install
you could install
they could install 	I could be installing
you could be installing
she could be installing
we could be installing
you could be installing
they could be installing	I could have installed
you could have installed
she could have installed
we could have installed
you could have installed
they could have installed	I could have been installing
you could have been installing
she could have been installing
we could have been installing
you could have been installing
they could have been installing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not install
you could not install
she could not install
we could not install
you could not install
they could not install 	I could not be installing
you could not be installing
she could not be installing
we could not be installing
you could not be installing
they could not be installing	I could not have installed
you could not have installed
she could not have installed
we could not have installed
you could not have installed
they could not have installed	I could not have been installing
you could not have been installing
she could not have been installing
we could not have been installing
you could not have been installing
they could not have been installing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I install?
could you install?
could she install?
could we install?
could you install?
could they install? 	could I be installing?
could you be installing?
could she be installing?
could we be installing?
could you be installing?
could they be installing? 	could I have installed?
could you have installed?
could she have installed?
could we have installed?
could you have installed?
could they have installed? 	could I have been installing?
could you have been installing?
could she have been installing?
could we have been installing?
could you have been installing?
could they have been installing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not install?
could you not install?
could she not install?
could we not install?
could you not install?
could they not install? 	could I not be installing?
could you not be installing?
could she not be installing?
could we not be installing?
could you not be installing?
could they not be installing? 	could I not have installed?
could you not have installed?
could she not have installed?
could we not have installed?
could you not have installed?
could they not have installed? 	could I not have been installing?
could you not have been installing?
could she not have been installing?
could we not have been installing?
could you not have been installing?
could they not have been installing?