I can circumscribe you can circumscribe she can circumscribe we can circumscribe you can circumscribe they can circumscribe
V-ing form
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
I can have circumscribed you can have circumscribed she can have circumscribed we can have circumscribed you can have circumscribed they can have circumscribed
V-ing perfect
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
I cannot circumscribe you cannot circumscribe she cannot circumscribe we cannot circumscribe you cannot circumscribe they cannot circumscribe
V-ing form
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
I cannot have circumscribed you cannot have circumscribed she cannot have circumscribed we cannot have circumscribed you cannot have circumscribed they cannot have circumscribed
V-ing perfect
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
can I circumscribe? can you circumscribe? can she circumscribe? can we circumscribe? can you circumscribe? can they circumscribe?
V-ing form
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
can I have circumscribed? can you have circumscribed? can she have circumscribed? can we have circumscribed? can you have circumscribed? can they have circumscribed?
V-ing perfect
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
can I not circumscribe? can you not circumscribe? can she not circumscribe? can we not circumscribe? can you not circumscribe? can they not circumscribe?
V-ing form
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
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?
V-ing perfect
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?