can core
Regular verb: core - cored- cored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can core
you can core
he can core
we can core
you can core
they can core 	I can be coring
you can be coring
he can be coring
we can be coring
you can be coring
they can be coring	I can have cored
you can have cored
he can have cored
we can have cored
you can have cored
they can have cored	I can have been coring
you can have been coring
he can have been coring
we can have been coring
you can have been coring
they can have been coring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot core
you cannot core
he cannot core
we cannot core
you cannot core
they cannot core 	I cannot be coring
you cannot be coring
he cannot be coring
we cannot be coring
you cannot be coring
they cannot be coring	I cannot have cored
you cannot have cored
he cannot have cored
we cannot have cored
you cannot have cored
they cannot have cored	I cannot have been coring
you cannot have been coring
he cannot have been coring
we cannot have been coring
you cannot have been coring
they cannot have been coring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I core?
can you core?
can he core?
can we core?
can you core?
can they core? 	can I be coring?
can you be coring?
can he be coring?
can we be coring?
can you be coring?
can they be coring? 	can I have cored?
can you have cored?
can he have cored?
can we have cored?
can you have cored?
can they have cored? 	can I have been coring?
can you have been coring?
can he have been coring?
can we have been coring?
can you have been coring?
can they have been coring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not core?
can you not core?
can he not core?
can we not core?
can you not core?
can they not core? 	can I not be coring?
can you not be coring?
can he not be coring?
can we not be coring?
can you not be coring?
can they not be coring? 	can I not have cored?
can you not have cored?
can he not have cored?
can we not have cored?
can you not have cored?
can they not have cored? 	can I not have been coring?
can you not have been coring?
can he not have been coring?
can we not have been coring?
can you not have been coring?
can they not have been coring?