English verb conjugation
MAY COO

Regular verb: coo - cooed - cooed

Affirmation

Simple form	V-ing form
I may coo you may coo he may coo we may coo you may coo they may coo	I may be cooing you may be cooing he may be cooing we may be cooing you may be cooing they may be cooing
Perfect	V-ing perfect
I may have cooed you may have cooed he may have cooed we may have cooed you may have cooed they may have cooed	I may have been cooing you may have been cooing he may have been cooing we may have been cooing you may have been cooing they may have been cooing

Negation

Simple form	V-ing form
I mayn't coo you mayn't coo he mayn't coo we mayn't coo you mayn't coo they mayn't coo	I mayn't be cooing you mayn't be cooing he mayn't be cooing we mayn't be cooing you mayn't be cooing they mayn't be cooing
Perfect	V-ing perfect
I mayn't have cooed you mayn't have cooed he mayn't have cooed we mayn't have cooed you mayn't have cooed they mayn't have cooed	I mayn't have been cooing you mayn't have been cooing he mayn't have been cooing we mayn't have been cooing you mayn't have been cooing they mayn't have been cooing

Interrogative form

Simple form	V-ing form
may I coo? may you coo? may he coo? may we coo? may you coo? may they coo?	may I be cooing? may you be cooing? may he be cooing? may we be cooing? may you be cooing? may they be cooing?
Perfect	V-ing perfect
may I have cooed? may you have cooed? may he have cooed? may we have cooed? may you have cooed? may they have cooed?	may I have been cooing? may you have been cooing? may he have been cooing? may we have been cooing? may you have been cooing? may they have been cooing?

Interro-negative form

Simple form	V-ing form
mayn't I coo? mayn't you coo? mayn't he coo? mayn't we coo? mayn't you coo? mayn't they coo?	mayn't I be cooing? mayn't you be cooing? mayn't he be cooing? mayn't we be cooing? mayn't you be cooing? mayn't they be cooing?
Perfect	V-ing perfect
mayn't I have cooed? mayn't you have cooed? mayn't he have cooed? mayn't we have cooed? mayn't you have cooed? mayn't they have cooed?	mayn't I have been cooing? mayn't you have been cooing? mayn't he have been cooing? mayn't we have been cooing? mayn't you have been cooing? mayn't they have been cooing?