can heel
Regular verb: heel - heeled- heeled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can heel
you can heel
he can heel
we can heel
you can heel
they can heel 	I can be heeling
you can be heeling
he can be heeling
we can be heeling
you can be heeling
they can be heeling	I can have heeled
you can have heeled
he can have heeled
we can have heeled
you can have heeled
they can have heeled	I can have been heeling
you can have been heeling
he can have been heeling
we can have been heeling
you can have been heeling
they can have been heeling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot heel
you cannot heel
he cannot heel
we cannot heel
you cannot heel
they cannot heel 	I cannot be heeling
you cannot be heeling
he cannot be heeling
we cannot be heeling
you cannot be heeling
they cannot be heeling	I cannot have heeled
you cannot have heeled
he cannot have heeled
we cannot have heeled
you cannot have heeled
they cannot have heeled	I cannot have been heeling
you cannot have been heeling
he cannot have been heeling
we cannot have been heeling
you cannot have been heeling
they cannot have been heeling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I heel?
can you heel?
can he heel?
can we heel?
can you heel?
can they heel? 	can I be heeling?
can you be heeling?
can he be heeling?
can we be heeling?
can you be heeling?
can they be heeling? 	can I have heeled?
can you have heeled?
can he have heeled?
can we have heeled?
can you have heeled?
can they have heeled? 	can I have been heeling?
can you have been heeling?
can he have been heeling?
can we have been heeling?
can you have been heeling?
can they have been heeling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not heel?
can you not heel?
can he not heel?
can we not heel?
can you not heel?
can they not heel? 	can I not be heeling?
can you not be heeling?
can he not be heeling?
can we not be heeling?
can you not be heeling?
can they not be heeling? 	can I not have heeled?
can you not have heeled?
can he not have heeled?
can we not have heeled?
can you not have heeled?
can they not have heeled? 	can I not have been heeling?
can you not have been heeling?
can he not have been heeling?
can we not have been heeling?
can you not have been heeling?
can they not have been heeling?