may marble
Regular verb: marble - marbled- marbled

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not marble
you may not marble
she may not marble
we may not marble
you may not marble
they may not marble 	I may not be marbling
you may not be marbling
she may not be marbling
we may not be marbling
you may not be marbling
they may not be marbling	I may not have marbled
you may not have marbled
she may not have marbled
we may not have marbled
you may not have marbled
they may not have marbled	I may not have been marbling
you may not have been marbling
she may not have been marbling
we may not have been marbling
you may not have been marbling
they may not have been marbling	

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

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