English verb conjugation
MAY RECEDE

Regular verb: recede - receded - receded

Affirmation

Simple form	V-ing form
I may recede you may recede he may recede we may recede you may recede they may recede	I may be receding you may be receding he may be receding we may be receding you may be receding they may be receding
Perfect	V-ing perfect
I may have receded you may have receded he may have receded we may have receded you may have receded they may have receded	I may have been receding you may have been receding he may have been receding we may have been receding you may have been receding they may have been receding

Negation

Simple form	V-ing form
I mayn't recede you mayn't recede he mayn't recede we mayn't recede you mayn't recede they mayn't recede	I mayn't be receding you mayn't be receding he mayn't be receding we mayn't be receding you mayn't be receding they mayn't be receding
Perfect	V-ing perfect
I mayn't have receded you mayn't have receded he mayn't have receded we mayn't have receded you mayn't have receded they mayn't have receded	I mayn't have been receding you mayn't have been receding he mayn't have been receding we mayn't have been receding you mayn't have been receding they mayn't have been receding

Interrogative form

Simple form	V-ing form
may I recede? may you recede? may he recede? may we recede? may you recede? may they recede?	may I be receding? may you be receding? may he be receding? may we be receding? may you be receding? may they be receding?
Perfect	V-ing perfect
may I have receded? may you have receded? may he have receded? may we have receded? may you have receded? may they have receded?	may I have been receding? may you have been receding? may he have been receding? may we have been receding? may you have been receding? may they have been receding?

Interro-negative form

Simple form	V-ing form
mayn't I recede? mayn't you recede? mayn't he recede? mayn't we recede? mayn't you recede? mayn't they recede?	mayn't I be receding? mayn't you be receding? mayn't he be receding? mayn't we be receding? mayn't you be receding? mayn't they be receding?
Perfect	V-ing perfect
mayn't I have receded? mayn't you have receded? mayn't he have receded? mayn't we have receded? mayn't you have receded? mayn't they have receded?	mayn't I have been receding? mayn't you have been receding? mayn't he have been receding? mayn't we have been receding? mayn't you have been receding? mayn't they have been receding?