may roil
Regular verb: roil - roiled- roiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may roil
you may roil
she may roil
we may roil
you may roil
they may roil 	I may be roiling
you may be roiling
she may be roiling
we may be roiling
you may be roiling
they may be roiling	I may have roiled
you may have roiled
she may have roiled
we may have roiled
you may have roiled
they may have roiled	I may have been roiling
you may have been roiling
she may have been roiling
we may have been roiling
you may have been roiling
they may have been roiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't roil
you mayn't roil
she mayn't roil
we mayn't roil
you mayn't roil
they mayn't roil 	I mayn't be roiling
you mayn't be roiling
she mayn't be roiling
we mayn't be roiling
you mayn't be roiling
they mayn't be roiling	I mayn't have roiled
you mayn't have roiled
she mayn't have roiled
we mayn't have roiled
you mayn't have roiled
they mayn't have roiled	I mayn't have been roiling
you mayn't have been roiling
she mayn't have been roiling
we mayn't have been roiling
you mayn't have been roiling
they mayn't have been roiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I roil?
may you roil?
may she roil?
may we roil?
may you roil?
may they roil? 	may I be roiling?
may you be roiling?
may she be roiling?
may we be roiling?
may you be roiling?
may they be roiling? 	may I have roiled?
may you have roiled?
may she have roiled?
may we have roiled?
may you have roiled?
may they have roiled? 	may I have been roiling?
may you have been roiling?
may she have been roiling?
may we have been roiling?
may you have been roiling?
may they have been roiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I roil?
mayn't you roil?
mayn't she roil?
mayn't we roil?
mayn't you roil?
mayn't they roil? 	mayn't I be roiling?
mayn't you be roiling?
mayn't she be roiling?
mayn't we be roiling?
mayn't you be roiling?
mayn't they be roiling? 	mayn't I have roiled?
mayn't you have roiled?
mayn't she have roiled?
mayn't we have roiled?
mayn't you have roiled?
mayn't they have roiled? 	mayn't I have been roiling?
mayn't you have been roiling?
mayn't she have been roiling?
mayn't we have been roiling?
mayn't you have been roiling?
mayn't they have been roiling?