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