could hypostatise
Regular verb: hypostatise - hypostatised- hypostatised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hypostatise
you could hypostatise
she could hypostatise
we could hypostatise
you could hypostatise
they could hypostatise 	I could be hypostatising
you could be hypostatising
she could be hypostatising
we could be hypostatising
you could be hypostatising
they could be hypostatising	I could have hypostatised
you could have hypostatised
she could have hypostatised
we could have hypostatised
you could have hypostatised
they could have hypostatised	I could have been hypostatising
you could have been hypostatising
she could have been hypostatising
we could have been hypostatising
you could have been hypostatising
they could have been hypostatising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hypostatise
you couldn't hypostatise
she couldn't hypostatise
we couldn't hypostatise
you couldn't hypostatise
they couldn't hypostatise 	I couldn't be hypostatising
you couldn't be hypostatising
she couldn't be hypostatising
we couldn't be hypostatising
you couldn't be hypostatising
they couldn't be hypostatising	I couldn't have hypostatised
you couldn't have hypostatised
she couldn't have hypostatised
we couldn't have hypostatised
you couldn't have hypostatised
they couldn't have hypostatised	I couldn't have been hypostatising
you couldn't have been hypostatising
she couldn't have been hypostatising
we couldn't have been hypostatising
you couldn't have been hypostatising
they couldn't have been hypostatising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hypostatise?
could you hypostatise?
could she hypostatise?
could we hypostatise?
could you hypostatise?
could they hypostatise? 	could I be hypostatising?
could you be hypostatising?
could she be hypostatising?
could we be hypostatising?
could you be hypostatising?
could they be hypostatising? 	could I have hypostatised?
could you have hypostatised?
could she have hypostatised?
could we have hypostatised?
could you have hypostatised?
could they have hypostatised? 	could I have been hypostatising?
could you have been hypostatising?
could she have been hypostatising?
could we have been hypostatising?
could you have been hypostatising?
could they have been hypostatising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hypostatise?
couldn't you hypostatise?
couldn't she hypostatise?
couldn't we hypostatise?
couldn't you hypostatise?
couldn't they hypostatise? 	couldn't I be hypostatising?
couldn't you be hypostatising?
couldn't she be hypostatising?
couldn't we be hypostatising?
couldn't you be hypostatising?
couldn't they be hypostatising? 	couldn't I have hypostatised?
couldn't you have hypostatised?
couldn't she have hypostatised?
couldn't we have hypostatised?
couldn't you have hypostatised?
couldn't they have hypostatised? 	couldn't I have been hypostatising?
couldn't you have been hypostatising?
couldn't she have been hypostatising?
couldn't we have been hypostatising?
couldn't you have been hypostatising?
couldn't they have been hypostatising?