may proceed
Regular verb: proceed - proceeded- proceeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may proceed
you may proceed
she may proceed
we may proceed
you may proceed
they may proceed 	I may be proceeding
you may be proceeding
she may be proceeding
we may be proceeding
you may be proceeding
they may be proceeding	I may have proceeded
you may have proceeded
she may have proceeded
we may have proceeded
you may have proceeded
they may have proceeded	I may have been proceeding
you may have been proceeding
she may have been proceeding
we may have been proceeding
you may have been proceeding
they may have been proceeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't proceed
you mayn't proceed
she mayn't proceed
we mayn't proceed
you mayn't proceed
they mayn't proceed 	I mayn't be proceeding
you mayn't be proceeding
she mayn't be proceeding
we mayn't be proceeding
you mayn't be proceeding
they mayn't be proceeding	I mayn't have proceeded
you mayn't have proceeded
she mayn't have proceeded
we mayn't have proceeded
you mayn't have proceeded
they mayn't have proceeded	I mayn't have been proceeding
you mayn't have been proceeding
she mayn't have been proceeding
we mayn't have been proceeding
you mayn't have been proceeding
they mayn't have been proceeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I proceed?
may you proceed?
may she proceed?
may we proceed?
may you proceed?
may they proceed? 	may I be proceeding?
may you be proceeding?
may she be proceeding?
may we be proceeding?
may you be proceeding?
may they be proceeding? 	may I have proceeded?
may you have proceeded?
may she have proceeded?
may we have proceeded?
may you have proceeded?
may they have proceeded? 	may I have been proceeding?
may you have been proceeding?
may she have been proceeding?
may we have been proceeding?
may you have been proceeding?
may they have been proceeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I proceed?
mayn't you proceed?
mayn't she proceed?
mayn't we proceed?
mayn't you proceed?
mayn't they proceed? 	mayn't I be proceeding?
mayn't you be proceeding?
mayn't she be proceeding?
mayn't we be proceeding?
mayn't you be proceeding?
mayn't they be proceeding? 	mayn't I have proceeded?
mayn't you have proceeded?
mayn't she have proceeded?
mayn't we have proceeded?
mayn't you have proceeded?
mayn't they have proceeded? 	mayn't I have been proceeding?
mayn't you have been proceeding?
mayn't she have been proceeding?
mayn't we have been proceeding?
mayn't you have been proceeding?
mayn't they have been proceeding?