can marble
Regular verb: marble - marbled- marbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can marble
you can marble
she can marble
we can marble
you can marble
they can marble 	I can be marbling
you can be marbling
she can be marbling
we can be marbling
you can be marbling
they can be marbling	I can have marbled
you can have marbled
she can have marbled
we can have marbled
you can have marbled
they can have marbled	I can have been marbling
you can have been marbling
she can have been marbling
we can have been marbling
you can have been marbling
they can have been marbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't marble
you can't marble
she can't marble
we can't marble
you can't marble
they can't marble 	I can't be marbling
you can't be marbling
she can't be marbling
we can't be marbling
you can't be marbling
they can't be marbling	I can't have marbled
you can't have marbled
she can't have marbled
we can't have marbled
you can't have marbled
they can't have marbled	I can't have been marbling
you can't have been marbling
she can't have been marbling
we can't have been marbling
you can't have been marbling
they can't have been marbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I marble?
can you marble?
can she marble?
can we marble?
can you marble?
can they marble? 	can I be marbling?
can you be marbling?
can she be marbling?
can we be marbling?
can you be marbling?
can they be marbling? 	can I have marbled?
can you have marbled?
can she have marbled?
can we have marbled?
can you have marbled?
can they have marbled? 	can I have been marbling?
can you have been marbling?
can she have been marbling?
can we have been marbling?
can you have been marbling?
can they have been marbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I marble?
can't you marble?
can't she marble?
can't we marble?
can't you marble?
can't they marble? 	can't I be marbling?
can't you be marbling?
can't she be marbling?
can't we be marbling?
can't you be marbling?
can't they be marbling? 	can't I have marbled?
can't you have marbled?
can't she have marbled?
can't we have marbled?
can't you have marbled?
can't they have marbled? 	can't I have been marbling?
can't you have been marbling?
can't she have been marbling?
can't we have been marbling?
can't you have been marbling?
can't they have been marbling?