can circumstantiate
Regular verb: circumstantiate - circumstantiated- circumstantiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can circumstantiate
you can circumstantiate
she can circumstantiate
we can circumstantiate
you can circumstantiate
they can circumstantiate 	I can be circumstantiating
you can be circumstantiating
she can be circumstantiating
we can be circumstantiating
you can be circumstantiating
they can be circumstantiating	I can have circumstantiated
you can have circumstantiated
she can have circumstantiated
we can have circumstantiated
you can have circumstantiated
they can have circumstantiated	I can have been circumstantiating
you can have been circumstantiating
she can have been circumstantiating
we can have been circumstantiating
you can have been circumstantiating
they can have been circumstantiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot circumstantiate
you cannot circumstantiate
she cannot circumstantiate
we cannot circumstantiate
you cannot circumstantiate
they cannot circumstantiate 	I cannot be circumstantiating
you cannot be circumstantiating
she cannot be circumstantiating
we cannot be circumstantiating
you cannot be circumstantiating
they cannot be circumstantiating	I cannot have circumstantiated
you cannot have circumstantiated
she cannot have circumstantiated
we cannot have circumstantiated
you cannot have circumstantiated
they cannot have circumstantiated	I cannot have been circumstantiating
you cannot have been circumstantiating
she cannot have been circumstantiating
we cannot have been circumstantiating
you cannot have been circumstantiating
they cannot have been circumstantiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I circumstantiate?
can you circumstantiate?
can she circumstantiate?
can we circumstantiate?
can you circumstantiate?
can they circumstantiate? 	can I be circumstantiating?
can you be circumstantiating?
can she be circumstantiating?
can we be circumstantiating?
can you be circumstantiating?
can they be circumstantiating? 	can I have circumstantiated?
can you have circumstantiated?
can she have circumstantiated?
can we have circumstantiated?
can you have circumstantiated?
can they have circumstantiated? 	can I have been circumstantiating?
can you have been circumstantiating?
can she have been circumstantiating?
can we have been circumstantiating?
can you have been circumstantiating?
can they have been circumstantiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not circumstantiate?
can you not circumstantiate?
can she not circumstantiate?
can we not circumstantiate?
can you not circumstantiate?
can they not circumstantiate? 	can I not be circumstantiating?
can you not be circumstantiating?
can she not be circumstantiating?
can we not be circumstantiating?
can you not be circumstantiating?
can they not be circumstantiating? 	can I not have circumstantiated?
can you not have circumstantiated?
can she not have circumstantiated?
can we not have circumstantiated?
can you not have circumstantiated?
can they not have circumstantiated? 	can I not have been circumstantiating?
can you not have been circumstantiating?
can she not have been circumstantiating?
can we not have been circumstantiating?
can you not have been circumstantiating?
can they not have been circumstantiating?