can circumscribe
Regular verb: circumscribe - circumscribed- circumscribed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can circumscribe
you can circumscribe
he can circumscribe
we can circumscribe
you can circumscribe
they can circumscribe 	I can be circumscribing
you can be circumscribing
he can be circumscribing
we can be circumscribing
you can be circumscribing
they can be circumscribing	I can have circumscribed
you can have circumscribed
he 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
he 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 	Perfect 	V-ing perfect 	
I can't circumscribe
you can't circumscribe
he can't circumscribe
we can't circumscribe
you can't circumscribe
they can't circumscribe 	I can't be circumscribing
you can't be circumscribing
he can't be circumscribing
we can't be circumscribing
you can't be circumscribing
they can't be circumscribing	I can't have circumscribed
you can't have circumscribed
he can't have circumscribed
we can't have circumscribed
you can't have circumscribed
they can't have circumscribed	I can't have been circumscribing
you can't have been circumscribing
he can't have been circumscribing
we can't have been circumscribing
you can't have been circumscribing
they can't have been circumscribing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I circumscribe?
can you circumscribe?
can he circumscribe?
can we circumscribe?
can you circumscribe?
can they circumscribe? 	can I be circumscribing?
can you be circumscribing?
can he be circumscribing?
can we be circumscribing?
can you be circumscribing?
can they be circumscribing? 	can I have circumscribed?
can you have circumscribed?
can he 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 he 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 	Perfect 	V-ing perfect 	
can't I circumscribe?
can't you circumscribe?
can't he circumscribe?
can't we circumscribe?
can't you circumscribe?
can't they circumscribe? 	can't I be circumscribing?
can't you be circumscribing?
can't he be circumscribing?
can't we be circumscribing?
can't you be circumscribing?
can't they be circumscribing? 	can't I have circumscribed?
can't you have circumscribed?
can't he have circumscribed?
can't we have circumscribed?
can't you have circumscribed?
can't they have circumscribed? 	can't I have been circumscribing?
can't you have been circumscribing?
can't he have been circumscribing?
can't we have been circumscribing?
can't you have been circumscribing?
can't they have been circumscribing?