may roast
Regular verb: roast - roasted- roasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may roast
you may roast
she may roast
we may roast
you may roast
they may roast 	I may be roasting
you may be roasting
she may be roasting
we may be roasting
you may be roasting
they may be roasting	I may have roasted
you may have roasted
she may have roasted
we may have roasted
you may have roasted
they may have roasted	I may have been roasting
you may have been roasting
she may have been roasting
we may have been roasting
you may have been roasting
they may have been roasting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't roast
you mayn't roast
she mayn't roast
we mayn't roast
you mayn't roast
they mayn't roast 	I mayn't be roasting
you mayn't be roasting
she mayn't be roasting
we mayn't be roasting
you mayn't be roasting
they mayn't be roasting	I mayn't have roasted
you mayn't have roasted
she mayn't have roasted
we mayn't have roasted
you mayn't have roasted
they mayn't have roasted	I mayn't have been roasting
you mayn't have been roasting
she mayn't have been roasting
we mayn't have been roasting
you mayn't have been roasting
they mayn't have been roasting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I roast?
may you roast?
may she roast?
may we roast?
may you roast?
may they roast? 	may I be roasting?
may you be roasting?
may she be roasting?
may we be roasting?
may you be roasting?
may they be roasting? 	may I have roasted?
may you have roasted?
may she have roasted?
may we have roasted?
may you have roasted?
may they have roasted? 	may I have been roasting?
may you have been roasting?
may she have been roasting?
may we have been roasting?
may you have been roasting?
may they have been roasting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I roast?
mayn't you roast?
mayn't she roast?
mayn't we roast?
mayn't you roast?
mayn't they roast? 	mayn't I be roasting?
mayn't you be roasting?
mayn't she be roasting?
mayn't we be roasting?
mayn't you be roasting?
mayn't they be roasting? 	mayn't I have roasted?
mayn't you have roasted?
mayn't she have roasted?
mayn't we have roasted?
mayn't you have roasted?
mayn't they have roasted? 	mayn't I have been roasting?
mayn't you have been roasting?
mayn't she have been roasting?
mayn't we have been roasting?
mayn't you have been roasting?
mayn't they have been roasting?