English verb conjugation
CAN CIRCUMSCRIBE

Regular verb: circumscribe - circumscribed - circumscribed

Affirmation

Simple form	V-ing form
I can circumscribe you can circumscribe she can circumscribe we can circumscribe you can circumscribe they can circumscribe	I can be circumscribing you can be circumscribing she can be circumscribing we can be circumscribing you can be circumscribing they can be circumscribing
Perfect	V-ing perfect
I can have circumscribed you can have circumscribed she can have circumscribed we can have circumscribed you can have circumscribed they can have circumscribed	I can have been circumscribing you can have been circumscribing she can have been circumscribing we can have been circumscribing you can have been circumscribing they can have been circumscribing

Negation

Simple form	V-ing form
I cannot circumscribe you cannot circumscribe she cannot circumscribe we cannot circumscribe you cannot circumscribe they cannot circumscribe	I cannot be circumscribing you cannot be circumscribing she cannot be circumscribing we cannot be circumscribing you cannot be circumscribing they cannot be circumscribing
Perfect	V-ing perfect
I cannot have circumscribed you cannot have circumscribed she cannot have circumscribed we cannot have circumscribed you cannot have circumscribed they cannot have circumscribed	I cannot have been circumscribing you cannot have been circumscribing she cannot have been circumscribing we cannot have been circumscribing you cannot have been circumscribing they cannot have been circumscribing

Interrogative form

Simple form	V-ing form
can I circumscribe? can you circumscribe? can she circumscribe? can we circumscribe? can you circumscribe? can they circumscribe?	can I be circumscribing? can you be circumscribing? can she be circumscribing? can we be circumscribing? can you be circumscribing? can they be circumscribing?
Perfect	V-ing perfect
can I have circumscribed? can you have circumscribed? can she have circumscribed? can we have circumscribed? can you have circumscribed? can they have circumscribed?	can I have been circumscribing? can you have been circumscribing? can she have been circumscribing? can we have been circumscribing? can you have been circumscribing? can they have been circumscribing?

Interro-negative form

Simple form	V-ing form
can I not circumscribe? can you not circumscribe? can she not circumscribe? can we not circumscribe? can you not circumscribe? can they not circumscribe?	can I not be circumscribing? can you not be circumscribing? can she not be circumscribing? can we not be circumscribing? can you not be circumscribing? can they not be circumscribing?
Perfect	V-ing perfect
can I not have circumscribed? can you not have circumscribed? can she not have circumscribed? can we not have circumscribed? can you not have circumscribed? can they not have circumscribed?	can I not have been circumscribing? can you not have been circumscribing? can she not have been circumscribing? can we not have been circumscribing? can you not have been circumscribing? can they not have been circumscribing?