English verb conjugation
MAY DECAY

Regular verb: decay - decayed - decayed

Affirmation

Simple form	V-ing form
I may decay you may decay she may decay we may decay you may decay they may decay	I may be decaying you may be decaying she may be decaying we may be decaying you may be decaying they may be decaying
Perfect	V-ing perfect
I may have decayed you may have decayed she may have decayed we may have decayed you may have decayed they may have decayed	I may have been decaying you may have been decaying she may have been decaying we may have been decaying you may have been decaying they may have been decaying

Negation

Simple form	V-ing form
I mayn't decay you mayn't decay she mayn't decay we mayn't decay you mayn't decay they mayn't decay	I mayn't be decaying you mayn't be decaying she mayn't be decaying we mayn't be decaying you mayn't be decaying they mayn't be decaying
Perfect	V-ing perfect
I mayn't have decayed you mayn't have decayed she mayn't have decayed we mayn't have decayed you mayn't have decayed they mayn't have decayed	I mayn't have been decaying you mayn't have been decaying she mayn't have been decaying we mayn't have been decaying you mayn't have been decaying they mayn't have been decaying

Interrogative form

Simple form	V-ing form
may I decay? may you decay? may she decay? may we decay? may you decay? may they decay?	may I be decaying? may you be decaying? may she be decaying? may we be decaying? may you be decaying? may they be decaying?
Perfect	V-ing perfect
may I have decayed? may you have decayed? may she have decayed? may we have decayed? may you have decayed? may they have decayed?	may I have been decaying? may you have been decaying? may she have been decaying? may we have been decaying? may you have been decaying? may they have been decaying?

Interro-negative form

Simple form	V-ing form
mayn't I decay? mayn't you decay? mayn't she decay? mayn't we decay? mayn't you decay? mayn't they decay?	mayn't I be decaying? mayn't you be decaying? mayn't she be decaying? mayn't we be decaying? mayn't you be decaying? mayn't they be decaying?
Perfect	V-ing perfect
mayn't I have decayed? mayn't you have decayed? mayn't she have decayed? mayn't we have decayed? mayn't you have decayed? mayn't they have decayed?	mayn't I have been decaying? mayn't you have been decaying? mayn't she have been decaying? mayn't we have been decaying? mayn't you have been decaying? mayn't they have been decaying?