can abrade
Regular verb: abrade - abraded- abraded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can abrade
you can abrade
she can abrade
we can abrade
you can abrade
they can abrade 	I can be abrading
you can be abrading
she can be abrading
we can be abrading
you can be abrading
they can be abrading	I can have abraded
you can have abraded
she can have abraded
we can have abraded
you can have abraded
they can have abraded	I can have been abrading
you can have been abrading
she can have been abrading
we can have been abrading
you can have been abrading
they can have been abrading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot abrade
you cannot abrade
she cannot abrade
we cannot abrade
you cannot abrade
they cannot abrade 	I cannot be abrading
you cannot be abrading
she cannot be abrading
we cannot be abrading
you cannot be abrading
they cannot be abrading	I cannot have abraded
you cannot have abraded
she cannot have abraded
we cannot have abraded
you cannot have abraded
they cannot have abraded	I cannot have been abrading
you cannot have been abrading
she cannot have been abrading
we cannot have been abrading
you cannot have been abrading
they cannot have been abrading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I abrade?
can you abrade?
can she abrade?
can we abrade?
can you abrade?
can they abrade? 	can I be abrading?
can you be abrading?
can she be abrading?
can we be abrading?
can you be abrading?
can they be abrading? 	can I have abraded?
can you have abraded?
can she have abraded?
can we have abraded?
can you have abraded?
can they have abraded? 	can I have been abrading?
can you have been abrading?
can she have been abrading?
can we have been abrading?
can you have been abrading?
can they have been abrading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not abrade?
can you not abrade?
can she not abrade?
can we not abrade?
can you not abrade?
can they not abrade? 	can I not be abrading?
can you not be abrading?
can she not be abrading?
can we not be abrading?
can you not be abrading?
can they not be abrading? 	can I not have abraded?
can you not have abraded?
can she not have abraded?
can we not have abraded?
can you not have abraded?
can they not have abraded? 	can I not have been abrading?
can you not have been abrading?
can she not have been abrading?
can we not have been abrading?
can you not have been abrading?
can they not have been abrading?