may crater
Verbo regular: crater - cratered- cratered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't crater
you mayn't crater
he mayn't crater
we mayn't crater
you mayn't crater
they mayn't crater 	I mayn't be cratering
you mayn't be cratering
he mayn't be cratering
we mayn't be cratering
you mayn't be cratering
they mayn't be cratering	I mayn't have cratered
you mayn't have cratered
he mayn't have cratered
we mayn't have cratered
you mayn't have cratered
they mayn't have cratered	I mayn't have been cratering
you mayn't have been cratering
he mayn't have been cratering
we mayn't have been cratering
you mayn't have been cratering
they mayn't have been cratering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I crater?
mayn't you crater?
mayn't he crater?
mayn't we crater?
mayn't you crater?
mayn't they crater? 	mayn't I be cratering?
mayn't you be cratering?
mayn't he be cratering?
mayn't we be cratering?
mayn't you be cratering?
mayn't they be cratering? 	mayn't I have cratered?
mayn't you have cratered?
mayn't he have cratered?
mayn't we have cratered?
mayn't you have cratered?
mayn't they have cratered? 	mayn't I have been cratering?
mayn't you have been cratering?
mayn't he have been cratering?
mayn't we have been cratering?
mayn't you have been cratering?
mayn't they have been cratering?