may cede
Regular verb: cede - ceded- ceded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may cede
you may cede
she may cede
we may cede
you may cede
they may cede 	I may be ceding
you may be ceding
she may be ceding
we may be ceding
you may be ceding
they may be ceding	I may have ceded
you may have ceded
she may have ceded
we may have ceded
you may have ceded
they may have ceded	I may have been ceding
you may have been ceding
she may have been ceding
we may have been ceding
you may have been ceding
they may have been ceding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't cede
you mayn't cede
she mayn't cede
we mayn't cede
you mayn't cede
they mayn't cede 	I mayn't be ceding
you mayn't be ceding
she mayn't be ceding
we mayn't be ceding
you mayn't be ceding
they mayn't be ceding	I mayn't have ceded
you mayn't have ceded
she mayn't have ceded
we mayn't have ceded
you mayn't have ceded
they mayn't have ceded	I mayn't have been ceding
you mayn't have been ceding
she mayn't have been ceding
we mayn't have been ceding
you mayn't have been ceding
they mayn't have been ceding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I cede?
may you cede?
may she cede?
may we cede?
may you cede?
may they cede? 	may I be ceding?
may you be ceding?
may she be ceding?
may we be ceding?
may you be ceding?
may they be ceding? 	may I have ceded?
may you have ceded?
may she have ceded?
may we have ceded?
may you have ceded?
may they have ceded? 	may I have been ceding?
may you have been ceding?
may she have been ceding?
may we have been ceding?
may you have been ceding?
may they have been ceding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I cede?
mayn't you cede?
mayn't she cede?
mayn't we cede?
mayn't you cede?
mayn't they cede? 	mayn't I be ceding?
mayn't you be ceding?
mayn't she be ceding?
mayn't we be ceding?
mayn't you be ceding?
mayn't they be ceding? 	mayn't I have ceded?
mayn't you have ceded?
mayn't she have ceded?
mayn't we have ceded?
mayn't you have ceded?
mayn't they have ceded? 	mayn't I have been ceding?
mayn't you have been ceding?
mayn't she have been ceding?
mayn't we have been ceding?
mayn't you have been ceding?
mayn't they have been ceding?