may understeer
Regular verb: understeer - understeered- understeered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may understeer
you may understeer
she may understeer
we may understeer
you may understeer
they may understeer 	I may be understeering
you may be understeering
she may be understeering
we may be understeering
you may be understeering
they may be understeering	I may have understeered
you may have understeered
she may have understeered
we may have understeered
you may have understeered
they may have understeered	I may have been understeering
you may have been understeering
she may have been understeering
we may have been understeering
you may have been understeering
they may have been understeering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't understeer
you mayn't understeer
she mayn't understeer
we mayn't understeer
you mayn't understeer
they mayn't understeer 	I mayn't be understeering
you mayn't be understeering
she mayn't be understeering
we mayn't be understeering
you mayn't be understeering
they mayn't be understeering	I mayn't have understeered
you mayn't have understeered
she mayn't have understeered
we mayn't have understeered
you mayn't have understeered
they mayn't have understeered	I mayn't have been understeering
you mayn't have been understeering
she mayn't have been understeering
we mayn't have been understeering
you mayn't have been understeering
they mayn't have been understeering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I understeer?
may you understeer?
may she understeer?
may we understeer?
may you understeer?
may they understeer? 	may I be understeering?
may you be understeering?
may she be understeering?
may we be understeering?
may you be understeering?
may they be understeering? 	may I have understeered?
may you have understeered?
may she have understeered?
may we have understeered?
may you have understeered?
may they have understeered? 	may I have been understeering?
may you have been understeering?
may she have been understeering?
may we have been understeering?
may you have been understeering?
may they have been understeering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I understeer?
mayn't you understeer?
mayn't she understeer?
mayn't we understeer?
mayn't you understeer?
mayn't they understeer? 	mayn't I be understeering?
mayn't you be understeering?
mayn't she be understeering?
mayn't we be understeering?
mayn't you be understeering?
mayn't they be understeering? 	mayn't I have understeered?
mayn't you have understeered?
mayn't she have understeered?
mayn't we have understeered?
mayn't you have understeered?
mayn't they have understeered? 	mayn't I have been understeering?
mayn't you have been understeering?
mayn't she have been understeering?
mayn't we have been understeering?
mayn't you have been understeering?
mayn't they have been understeering?