may uncurl
Regular verb: uncurl - uncurled- uncurled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may uncurl
you may uncurl
he may uncurl
we may uncurl
you may uncurl
they may uncurl 	I may be uncurling
you may be uncurling
he may be uncurling
we may be uncurling
you may be uncurling
they may be uncurling	I may have uncurled
you may have uncurled
he may have uncurled
we may have uncurled
you may have uncurled
they may have uncurled	I may have been uncurling
you may have been uncurling
he may have been uncurling
we may have been uncurling
you may have been uncurling
they may have been uncurling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't uncurl
you mayn't uncurl
he mayn't uncurl
we mayn't uncurl
you mayn't uncurl
they mayn't uncurl 	I mayn't be uncurling
you mayn't be uncurling
he mayn't be uncurling
we mayn't be uncurling
you mayn't be uncurling
they mayn't be uncurling	I mayn't have uncurled
you mayn't have uncurled
he mayn't have uncurled
we mayn't have uncurled
you mayn't have uncurled
they mayn't have uncurled	I mayn't have been uncurling
you mayn't have been uncurling
he mayn't have been uncurling
we mayn't have been uncurling
you mayn't have been uncurling
they mayn't have been uncurling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I uncurl?
may you uncurl?
may he uncurl?
may we uncurl?
may you uncurl?
may they uncurl? 	may I be uncurling?
may you be uncurling?
may he be uncurling?
may we be uncurling?
may you be uncurling?
may they be uncurling? 	may I have uncurled?
may you have uncurled?
may he have uncurled?
may we have uncurled?
may you have uncurled?
may they have uncurled? 	may I have been uncurling?
may you have been uncurling?
may he have been uncurling?
may we have been uncurling?
may you have been uncurling?
may they have been uncurling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I uncurl?
mayn't you uncurl?
mayn't he uncurl?
mayn't we uncurl?
mayn't you uncurl?
mayn't they uncurl? 	mayn't I be uncurling?
mayn't you be uncurling?
mayn't he be uncurling?
mayn't we be uncurling?
mayn't you be uncurling?
mayn't they be uncurling? 	mayn't I have uncurled?
mayn't you have uncurled?
mayn't he have uncurled?
mayn't we have uncurled?
mayn't you have uncurled?
mayn't they have uncurled? 	mayn't I have been uncurling?
mayn't you have been uncurling?
mayn't he have been uncurling?
mayn't we have been uncurling?
mayn't you have been uncurling?
mayn't they have been uncurling?