could remove
Regular verb: remove - removed- removed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could remove
you could remove
she could remove
we could remove
you could remove
they could remove 	I could be removing
you could be removing
she could be removing
we could be removing
you could be removing
they could be removing	I could have removed
you could have removed
she could have removed
we could have removed
you could have removed
they could have removed	I could have been removing
you could have been removing
she could have been removing
we could have been removing
you could have been removing
they could have been removing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't remove
you couldn't remove
she couldn't remove
we couldn't remove
you couldn't remove
they couldn't remove 	I couldn't be removing
you couldn't be removing
she couldn't be removing
we couldn't be removing
you couldn't be removing
they couldn't be removing	I couldn't have removed
you couldn't have removed
she couldn't have removed
we couldn't have removed
you couldn't have removed
they couldn't have removed	I couldn't have been removing
you couldn't have been removing
she couldn't have been removing
we couldn't have been removing
you couldn't have been removing
they couldn't have been removing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I remove?
could you remove?
could she remove?
could we remove?
could you remove?
could they remove? 	could I be removing?
could you be removing?
could she be removing?
could we be removing?
could you be removing?
could they be removing? 	could I have removed?
could you have removed?
could she have removed?
could we have removed?
could you have removed?
could they have removed? 	could I have been removing?
could you have been removing?
could she have been removing?
could we have been removing?
could you have been removing?
could they have been removing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I remove?
couldn't you remove?
couldn't she remove?
couldn't we remove?
couldn't you remove?
couldn't they remove? 	couldn't I be removing?
couldn't you be removing?
couldn't she be removing?
couldn't we be removing?
couldn't you be removing?
couldn't they be removing? 	couldn't I have removed?
couldn't you have removed?
couldn't she have removed?
couldn't we have removed?
couldn't you have removed?
couldn't they have removed? 	couldn't I have been removing?
couldn't you have been removing?
couldn't she have been removing?
couldn't we have been removing?
couldn't you have been removing?
couldn't they have been removing?