English verb conjugation
MAY PREDECEASE

Regular verb: predecease - predeceased - predeceased

Affirmation

Simple form	V-ing form
I may predecease you may predecease he may predecease we may predecease you may predecease they may predecease	I may be predeceasing you may be predeceasing he may be predeceasing we may be predeceasing you may be predeceasing they may be predeceasing
Perfect	V-ing perfect
I may have predeceased you may have predeceased he may have predeceased we may have predeceased you may have predeceased they may have predeceased	I may have been predeceasing you may have been predeceasing he may have been predeceasing we may have been predeceasing you may have been predeceasing they may have been predeceasing

Negation

Simple form	V-ing form
I mayn't predecease you mayn't predecease he mayn't predecease we mayn't predecease you mayn't predecease they mayn't predecease	I mayn't be predeceasing you mayn't be predeceasing he mayn't be predeceasing we mayn't be predeceasing you mayn't be predeceasing they mayn't be predeceasing
Perfect	V-ing perfect
I mayn't have predeceased you mayn't have predeceased he mayn't have predeceased we mayn't have predeceased you mayn't have predeceased they mayn't have predeceased	I mayn't have been predeceasing you mayn't have been predeceasing he mayn't have been predeceasing we mayn't have been predeceasing you mayn't have been predeceasing they mayn't have been predeceasing

Interrogative form

Simple form	V-ing form
may I predecease? may you predecease? may he predecease? may we predecease? may you predecease? may they predecease?	may I be predeceasing? may you be predeceasing? may he be predeceasing? may we be predeceasing? may you be predeceasing? may they be predeceasing?
Perfect	V-ing perfect
may I have predeceased? may you have predeceased? may he have predeceased? may we have predeceased? may you have predeceased? may they have predeceased?	may I have been predeceasing? may you have been predeceasing? may he have been predeceasing? may we have been predeceasing? may you have been predeceasing? may they have been predeceasing?

Interro-negative form

Simple form	V-ing form
mayn't I predecease? mayn't you predecease? mayn't he predecease? mayn't we predecease? mayn't you predecease? mayn't they predecease?	mayn't I be predeceasing? mayn't you be predeceasing? mayn't he be predeceasing? mayn't we be predeceasing? mayn't you be predeceasing? mayn't they be predeceasing?
Perfect	V-ing perfect
mayn't I have predeceased? mayn't you have predeceased? mayn't he have predeceased? mayn't we have predeceased? mayn't you have predeceased? mayn't they have predeceased?	mayn't I have been predeceasing? mayn't you have been predeceasing? mayn't he have been predeceasing? mayn't we have been predeceasing? mayn't you have been predeceasing? mayn't they have been predeceasing?