can caw
Regular verb: caw - cawed- cawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can caw
you can caw
he can caw
we can caw
you can caw
they can caw 	I can be cawing
you can be cawing
he can be cawing
we can be cawing
you can be cawing
they can be cawing	I can have cawed
you can have cawed
he can have cawed
we can have cawed
you can have cawed
they can have cawed	I can have been cawing
you can have been cawing
he can have been cawing
we can have been cawing
you can have been cawing
they can have been cawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot caw
you cannot caw
he cannot caw
we cannot caw
you cannot caw
they cannot caw 	I cannot be cawing
you cannot be cawing
he cannot be cawing
we cannot be cawing
you cannot be cawing
they cannot be cawing	I cannot have cawed
you cannot have cawed
he cannot have cawed
we cannot have cawed
you cannot have cawed
they cannot have cawed	I cannot have been cawing
you cannot have been cawing
he cannot have been cawing
we cannot have been cawing
you cannot have been cawing
they cannot have been cawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I caw?
can you caw?
can he caw?
can we caw?
can you caw?
can they caw? 	can I be cawing?
can you be cawing?
can he be cawing?
can we be cawing?
can you be cawing?
can they be cawing? 	can I have cawed?
can you have cawed?
can he have cawed?
can we have cawed?
can you have cawed?
can they have cawed? 	can I have been cawing?
can you have been cawing?
can he have been cawing?
can we have been cawing?
can you have been cawing?
can they have been cawing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not caw?
can you not caw?
can he not caw?
can we not caw?
can you not caw?
can they not caw? 	can I not be cawing?
can you not be cawing?
can he not be cawing?
can we not be cawing?
can you not be cawing?
can they not be cawing? 	can I not have cawed?
can you not have cawed?
can he not have cawed?
can we not have cawed?
can you not have cawed?
can they not have cawed? 	can I not have been cawing?
can you not have been cawing?
can he not have been cawing?
can we not have been cawing?
can you not have been cawing?
can they not have been cawing?