may endue
Regular verb: endue - endued- endued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may endue
you may endue
she may endue
we may endue
you may endue
they may endue 	I may be enduing
you may be enduing
she may be enduing
we may be enduing
you may be enduing
they may be enduing	I may have endued
you may have endued
she may have endued
we may have endued
you may have endued
they may have endued	I may have been enduing
you may have been enduing
she may have been enduing
we may have been enduing
you may have been enduing
they may have been enduing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't endue
you mayn't endue
she mayn't endue
we mayn't endue
you mayn't endue
they mayn't endue 	I mayn't be enduing
you mayn't be enduing
she mayn't be enduing
we mayn't be enduing
you mayn't be enduing
they mayn't be enduing	I mayn't have endued
you mayn't have endued
she mayn't have endued
we mayn't have endued
you mayn't have endued
they mayn't have endued	I mayn't have been enduing
you mayn't have been enduing
she mayn't have been enduing
we mayn't have been enduing
you mayn't have been enduing
they mayn't have been enduing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I endue?
may you endue?
may she endue?
may we endue?
may you endue?
may they endue? 	may I be enduing?
may you be enduing?
may she be enduing?
may we be enduing?
may you be enduing?
may they be enduing? 	may I have endued?
may you have endued?
may she have endued?
may we have endued?
may you have endued?
may they have endued? 	may I have been enduing?
may you have been enduing?
may she have been enduing?
may we have been enduing?
may you have been enduing?
may they have been enduing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I endue?
mayn't you endue?
mayn't she endue?
mayn't we endue?
mayn't you endue?
mayn't they endue? 	mayn't I be enduing?
mayn't you be enduing?
mayn't she be enduing?
mayn't we be enduing?
mayn't you be enduing?
mayn't they be enduing? 	mayn't I have endued?
mayn't you have endued?
mayn't she have endued?
mayn't we have endued?
mayn't you have endued?
mayn't they have endued? 	mayn't I have been enduing?
mayn't you have been enduing?
mayn't she have been enduing?
mayn't we have been enduing?
mayn't you have been enduing?
mayn't they have been enduing?