may overbalance
Regular verb: overbalance - overbalanced- overbalanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overbalance
you may overbalance
she may overbalance
we may overbalance
you may overbalance
they may overbalance 	I may be overbalancing
you may be overbalancing
she may be overbalancing
we may be overbalancing
you may be overbalancing
they may be overbalancing	I may have overbalanced
you may have overbalanced
she may have overbalanced
we may have overbalanced
you may have overbalanced
they may have overbalanced	I may have been overbalancing
you may have been overbalancing
she may have been overbalancing
we may have been overbalancing
you may have been overbalancing
they may have been overbalancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overbalance
you mayn't overbalance
she mayn't overbalance
we mayn't overbalance
you mayn't overbalance
they mayn't overbalance 	I mayn't be overbalancing
you mayn't be overbalancing
she mayn't be overbalancing
we mayn't be overbalancing
you mayn't be overbalancing
they mayn't be overbalancing	I mayn't have overbalanced
you mayn't have overbalanced
she mayn't have overbalanced
we mayn't have overbalanced
you mayn't have overbalanced
they mayn't have overbalanced	I mayn't have been overbalancing
you mayn't have been overbalancing
she mayn't have been overbalancing
we mayn't have been overbalancing
you mayn't have been overbalancing
they mayn't have been overbalancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overbalance?
may you overbalance?
may she overbalance?
may we overbalance?
may you overbalance?
may they overbalance? 	may I be overbalancing?
may you be overbalancing?
may she be overbalancing?
may we be overbalancing?
may you be overbalancing?
may they be overbalancing? 	may I have overbalanced?
may you have overbalanced?
may she have overbalanced?
may we have overbalanced?
may you have overbalanced?
may they have overbalanced? 	may I have been overbalancing?
may you have been overbalancing?
may she have been overbalancing?
may we have been overbalancing?
may you have been overbalancing?
may they have been overbalancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overbalance?
mayn't you overbalance?
mayn't she overbalance?
mayn't we overbalance?
mayn't you overbalance?
mayn't they overbalance? 	mayn't I be overbalancing?
mayn't you be overbalancing?
mayn't she be overbalancing?
mayn't we be overbalancing?
mayn't you be overbalancing?
mayn't they be overbalancing? 	mayn't I have overbalanced?
mayn't you have overbalanced?
mayn't she have overbalanced?
mayn't we have overbalanced?
mayn't you have overbalanced?
mayn't they have overbalanced? 	mayn't I have been overbalancing?
mayn't you have been overbalancing?
mayn't she have been overbalancing?
mayn't we have been overbalancing?
mayn't you have been overbalancing?
mayn't they have been overbalancing?