English verb conjugation
MAY PROCEED

Regular verb: proceed - proceeded - proceeded

Affirmation

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