can pumice
Regular verb: pumice - pumiced- pumiced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pumice
you can pumice
he can pumice
we can pumice
you can pumice
they can pumice 	I can be pumicing
you can be pumicing
he can be pumicing
we can be pumicing
you can be pumicing
they can be pumicing	I can have pumiced
you can have pumiced
he can have pumiced
we can have pumiced
you can have pumiced
they can have pumiced	I can have been pumicing
you can have been pumicing
he can have been pumicing
we can have been pumicing
you can have been pumicing
they can have been pumicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't pumice
you can't pumice
he can't pumice
we can't pumice
you can't pumice
they can't pumice 	I can't be pumicing
you can't be pumicing
he can't be pumicing
we can't be pumicing
you can't be pumicing
they can't be pumicing	I can't have pumiced
you can't have pumiced
he can't have pumiced
we can't have pumiced
you can't have pumiced
they can't have pumiced	I can't have been pumicing
you can't have been pumicing
he can't have been pumicing
we can't have been pumicing
you can't have been pumicing
they can't have been pumicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pumice?
can you pumice?
can he pumice?
can we pumice?
can you pumice?
can they pumice? 	can I be pumicing?
can you be pumicing?
can he be pumicing?
can we be pumicing?
can you be pumicing?
can they be pumicing? 	can I have pumiced?
can you have pumiced?
can he have pumiced?
can we have pumiced?
can you have pumiced?
can they have pumiced? 	can I have been pumicing?
can you have been pumicing?
can he have been pumicing?
can we have been pumicing?
can you have been pumicing?
can they have been pumicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I pumice?
can't you pumice?
can't he pumice?
can't we pumice?
can't you pumice?
can't they pumice? 	can't I be pumicing?
can't you be pumicing?
can't he be pumicing?
can't we be pumicing?
can't you be pumicing?
can't they be pumicing? 	can't I have pumiced?
can't you have pumiced?
can't he have pumiced?
can't we have pumiced?
can't you have pumiced?
can't they have pumiced? 	can't I have been pumicing?
can't you have been pumicing?
can't he have been pumicing?
can't we have been pumicing?
can't you have been pumicing?
can't they have been pumicing?