may impinge
Regular verb: impinge - impinged- impinged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may impinge
you may impinge
she may impinge
we may impinge
you may impinge
they may impinge 	I may be impinging
you may be impinging
she may be impinging
we may be impinging
you may be impinging
they may be impinging	I may have impinged
you may have impinged
she may have impinged
we may have impinged
you may have impinged
they may have impinged	I may have been impinging
you may have been impinging
she may have been impinging
we may have been impinging
you may have been impinging
they may have been impinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't impinge
you mayn't impinge
she mayn't impinge
we mayn't impinge
you mayn't impinge
they mayn't impinge 	I mayn't be impinging
you mayn't be impinging
she mayn't be impinging
we mayn't be impinging
you mayn't be impinging
they mayn't be impinging	I mayn't have impinged
you mayn't have impinged
she mayn't have impinged
we mayn't have impinged
you mayn't have impinged
they mayn't have impinged	I mayn't have been impinging
you mayn't have been impinging
she mayn't have been impinging
we mayn't have been impinging
you mayn't have been impinging
they mayn't have been impinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I impinge?
may you impinge?
may she impinge?
may we impinge?
may you impinge?
may they impinge? 	may I be impinging?
may you be impinging?
may she be impinging?
may we be impinging?
may you be impinging?
may they be impinging? 	may I have impinged?
may you have impinged?
may she have impinged?
may we have impinged?
may you have impinged?
may they have impinged? 	may I have been impinging?
may you have been impinging?
may she have been impinging?
may we have been impinging?
may you have been impinging?
may they have been impinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I impinge?
mayn't you impinge?
mayn't she impinge?
mayn't we impinge?
mayn't you impinge?
mayn't they impinge? 	mayn't I be impinging?
mayn't you be impinging?
mayn't she be impinging?
mayn't we be impinging?
mayn't you be impinging?
mayn't they be impinging? 	mayn't I have impinged?
mayn't you have impinged?
mayn't she have impinged?
mayn't we have impinged?
mayn't you have impinged?
mayn't they have impinged? 	mayn't I have been impinging?
mayn't you have been impinging?
mayn't she have been impinging?
mayn't we have been impinging?
mayn't you have been impinging?
mayn't they have been impinging?