may uncap
Regular verb: uncap - uncapped- uncapped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may uncap
you may uncap
she may uncap
we may uncap
you may uncap
they may uncap 	I may be uncapping
you may be uncapping
she may be uncapping
we may be uncapping
you may be uncapping
they may be uncapping	I may have uncapped
you may have uncapped
she may have uncapped
we may have uncapped
you may have uncapped
they may have uncapped	I may have been uncapping
you may have been uncapping
she may have been uncapping
we may have been uncapping
you may have been uncapping
they may have been uncapping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't uncap
you mayn't uncap
she mayn't uncap
we mayn't uncap
you mayn't uncap
they mayn't uncap 	I mayn't be uncapping
you mayn't be uncapping
she mayn't be uncapping
we mayn't be uncapping
you mayn't be uncapping
they mayn't be uncapping	I mayn't have uncapped
you mayn't have uncapped
she mayn't have uncapped
we mayn't have uncapped
you mayn't have uncapped
they mayn't have uncapped	I mayn't have been uncapping
you mayn't have been uncapping
she mayn't have been uncapping
we mayn't have been uncapping
you mayn't have been uncapping
they mayn't have been uncapping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I uncap?
may you uncap?
may she uncap?
may we uncap?
may you uncap?
may they uncap? 	may I be uncapping?
may you be uncapping?
may she be uncapping?
may we be uncapping?
may you be uncapping?
may they be uncapping? 	may I have uncapped?
may you have uncapped?
may she have uncapped?
may we have uncapped?
may you have uncapped?
may they have uncapped? 	may I have been uncapping?
may you have been uncapping?
may she have been uncapping?
may we have been uncapping?
may you have been uncapping?
may they have been uncapping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I uncap?
mayn't you uncap?
mayn't she uncap?
mayn't we uncap?
mayn't you uncap?
mayn't they uncap? 	mayn't I be uncapping?
mayn't you be uncapping?
mayn't she be uncapping?
mayn't we be uncapping?
mayn't you be uncapping?
mayn't they be uncapping? 	mayn't I have uncapped?
mayn't you have uncapped?
mayn't she have uncapped?
mayn't we have uncapped?
mayn't you have uncapped?
mayn't they have uncapped? 	mayn't I have been uncapping?
mayn't you have been uncapping?
mayn't she have been uncapping?
mayn't we have been uncapping?
mayn't you have been uncapping?
mayn't they have been uncapping?