could estrange
Regular verb: estrange - estranged- estranged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could estrange
you could estrange
she could estrange
we could estrange
you could estrange
they could estrange 	I could be estranging
you could be estranging
she could be estranging
we could be estranging
you could be estranging
they could be estranging	I could have estranged
you could have estranged
she could have estranged
we could have estranged
you could have estranged
they could have estranged	I could have been estranging
you could have been estranging
she could have been estranging
we could have been estranging
you could have been estranging
they could have been estranging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't estrange
you couldn't estrange
she couldn't estrange
we couldn't estrange
you couldn't estrange
they couldn't estrange 	I couldn't be estranging
you couldn't be estranging
she couldn't be estranging
we couldn't be estranging
you couldn't be estranging
they couldn't be estranging	I couldn't have estranged
you couldn't have estranged
she couldn't have estranged
we couldn't have estranged
you couldn't have estranged
they couldn't have estranged	I couldn't have been estranging
you couldn't have been estranging
she couldn't have been estranging
we couldn't have been estranging
you couldn't have been estranging
they couldn't have been estranging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I estrange?
could you estrange?
could she estrange?
could we estrange?
could you estrange?
could they estrange? 	could I be estranging?
could you be estranging?
could she be estranging?
could we be estranging?
could you be estranging?
could they be estranging? 	could I have estranged?
could you have estranged?
could she have estranged?
could we have estranged?
could you have estranged?
could they have estranged? 	could I have been estranging?
could you have been estranging?
could she have been estranging?
could we have been estranging?
could you have been estranging?
could they have been estranging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I estrange?
couldn't you estrange?
couldn't she estrange?
couldn't we estrange?
couldn't you estrange?
couldn't they estrange? 	couldn't I be estranging?
couldn't you be estranging?
couldn't she be estranging?
couldn't we be estranging?
couldn't you be estranging?
couldn't they be estranging? 	couldn't I have estranged?
couldn't you have estranged?
couldn't she have estranged?
couldn't we have estranged?
couldn't you have estranged?
couldn't they have estranged? 	couldn't I have been estranging?
couldn't you have been estranging?
couldn't she have been estranging?
couldn't we have been estranging?
couldn't you have been estranging?
couldn't they have been estranging?