could uninstall
Regular verb: uninstall - uninstalled- uninstalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could uninstall
you could uninstall
she could uninstall
we could uninstall
you could uninstall
they could uninstall 	I could be uninstalling
you could be uninstalling
she could be uninstalling
we could be uninstalling
you could be uninstalling
they could be uninstalling	I could have uninstalled
you could have uninstalled
she could have uninstalled
we could have uninstalled
you could have uninstalled
they could have uninstalled	I could have been uninstalling
you could have been uninstalling
she could have been uninstalling
we could have been uninstalling
you could have been uninstalling
they could have been uninstalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not uninstall
you could not uninstall
she could not uninstall
we could not uninstall
you could not uninstall
they could not uninstall 	I could not be uninstalling
you could not be uninstalling
she could not be uninstalling
we could not be uninstalling
you could not be uninstalling
they could not be uninstalling	I could not have uninstalled
you could not have uninstalled
she could not have uninstalled
we could not have uninstalled
you could not have uninstalled
they could not have uninstalled	I could not have been uninstalling
you could not have been uninstalling
she could not have been uninstalling
we could not have been uninstalling
you could not have been uninstalling
they could not have been uninstalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I uninstall?
could you uninstall?
could she uninstall?
could we uninstall?
could you uninstall?
could they uninstall? 	could I be uninstalling?
could you be uninstalling?
could she be uninstalling?
could we be uninstalling?
could you be uninstalling?
could they be uninstalling? 	could I have uninstalled?
could you have uninstalled?
could she have uninstalled?
could we have uninstalled?
could you have uninstalled?
could they have uninstalled? 	could I have been uninstalling?
could you have been uninstalling?
could she have been uninstalling?
could we have been uninstalling?
could you have been uninstalling?
could they have been uninstalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not uninstall?
could you not uninstall?
could she not uninstall?
could we not uninstall?
could you not uninstall?
could they not uninstall? 	could I not be uninstalling?
could you not be uninstalling?
could she not be uninstalling?
could we not be uninstalling?
could you not be uninstalling?
could they not be uninstalling? 	could I not have uninstalled?
could you not have uninstalled?
could she not have uninstalled?
could we not have uninstalled?
could you not have uninstalled?
could they not have uninstalled? 	could I not have been uninstalling?
could you not have been uninstalling?
could she not have been uninstalling?
could we not have been uninstalling?
could you not have been uninstalling?
could they not have been uninstalling?