could instantiate
Regular verb: instantiate - instantiated- instantiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could instantiate
you could instantiate
he could instantiate
we could instantiate
you could instantiate
they could instantiate 	I could be instantiating
you could be instantiating
he could be instantiating
we could be instantiating
you could be instantiating
they could be instantiating	I could have instantiated
you could have instantiated
he could have instantiated
we could have instantiated
you could have instantiated
they could have instantiated	I could have been instantiating
you could have been instantiating
he could have been instantiating
we could have been instantiating
you could have been instantiating
they could have been instantiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't instantiate
you couldn't instantiate
he couldn't instantiate
we couldn't instantiate
you couldn't instantiate
they couldn't instantiate 	I couldn't be instantiating
you couldn't be instantiating
he couldn't be instantiating
we couldn't be instantiating
you couldn't be instantiating
they couldn't be instantiating	I couldn't have instantiated
you couldn't have instantiated
he couldn't have instantiated
we couldn't have instantiated
you couldn't have instantiated
they couldn't have instantiated	I couldn't have been instantiating
you couldn't have been instantiating
he couldn't have been instantiating
we couldn't have been instantiating
you couldn't have been instantiating
they couldn't have been instantiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I instantiate?
could you instantiate?
could he instantiate?
could we instantiate?
could you instantiate?
could they instantiate? 	could I be instantiating?
could you be instantiating?
could he be instantiating?
could we be instantiating?
could you be instantiating?
could they be instantiating? 	could I have instantiated?
could you have instantiated?
could he have instantiated?
could we have instantiated?
could you have instantiated?
could they have instantiated? 	could I have been instantiating?
could you have been instantiating?
could he have been instantiating?
could we have been instantiating?
could you have been instantiating?
could they have been instantiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I instantiate?
couldn't you instantiate?
couldn't he instantiate?
couldn't we instantiate?
couldn't you instantiate?
couldn't they instantiate? 	couldn't I be instantiating?
couldn't you be instantiating?
couldn't he be instantiating?
couldn't we be instantiating?
couldn't you be instantiating?
couldn't they be instantiating? 	couldn't I have instantiated?
couldn't you have instantiated?
couldn't he have instantiated?
couldn't we have instantiated?
couldn't you have instantiated?
couldn't they have instantiated? 	couldn't I have been instantiating?
couldn't you have been instantiating?
couldn't he have been instantiating?
couldn't we have been instantiating?
couldn't you have been instantiating?
couldn't they have been instantiating?