may roast
Regular verb: roast - roasted- roasted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may roast
you may roast
he may roast
we may roast
you may roast
they may roast 	I may be roasting
you may be roasting
he may be roasting
we may be roasting
you may be roasting
they may be roasting	I may have roasted
you may have roasted
he 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
he 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
he 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
he 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
he 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
he 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 he roast?
may we roast?
may you roast?
may they roast? 	may I be roasting?
may you be roasting?
may he be roasting?
may we be roasting?
may you be roasting?
may they be roasting? 	may I have roasted?
may you have roasted?
may he 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 he 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 he 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 he 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 he 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 he have been roasting?
mayn't we have been roasting?
mayn't you have been roasting?
mayn't they have been roasting?