may crater
Regular verb: crater - cratered- cratered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crater
you may crater
he may crater
we may crater
you may crater
they may crater 	I may be cratering
you may be cratering
he may be cratering
we may be cratering
you may be cratering
they may be cratering	I may have cratered
you may have cratered
he may have cratered
we may have cratered
you may have cratered
they may have cratered	I may have been cratering
you may have been cratering
he may have been cratering
we may have been cratering
you may have been cratering
they may have been cratering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not crater
you may not crater
he may not crater
we may not crater
you may not crater
they may not crater 	I may not be cratering
you may not be cratering
he may not be cratering
we may not be cratering
you may not be cratering
they may not be cratering	I may not have cratered
you may not have cratered
he may not have cratered
we may not have cratered
you may not have cratered
they may not have cratered	I may not have been cratering
you may not have been cratering
he may not have been cratering
we may not have been cratering
you may not have been cratering
they may not have been cratering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I crater?
may you crater?
may he crater?
may we crater?
may you crater?
may they crater? 	may I be cratering?
may you be cratering?
may he be cratering?
may we be cratering?
may you be cratering?
may they be cratering? 	may I have cratered?
may you have cratered?
may he have cratered?
may we have cratered?
may you have cratered?
may they have cratered? 	may I have been cratering?
may you have been cratering?
may he have been cratering?
may we have been cratering?
may you have been cratering?
may they have been cratering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not crater?
may you not crater?
may he not crater?
may we not crater?
may you not crater?
may they not crater? 	may I not be cratering?
may you not be cratering?
may he not be cratering?
may we not be cratering?
may you not be cratering?
may they not be cratering? 	may I not have cratered?
may you not have cratered?
may he not have cratered?
may we not have cratered?
may you not have cratered?
may they not have cratered? 	may I not have been cratering?
may you not have been cratering?
may he not have been cratering?
may we not have been cratering?
may you not have been cratering?
may they not have been cratering?