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 may not coo you may not coo he may not coo we may not coo you may not coo they may not coo	I may not be cooing you may not be cooing he may not be cooing we may not be cooing you may not be cooing they may not be cooing
Perfect	V-ing perfect
I may not have cooed you may not have cooed he may not have cooed we may not have cooed you may not have cooed they may not have cooed	I may not have been cooing you may not have been cooing he may not have been cooing we may not have been cooing you may not have been cooing they may not 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
may I not coo? may you not coo? may he not coo? may we not coo? may you not coo? may they not coo?	may I not be cooing? may you not be cooing? may he not be cooing? may we not be cooing? may you not be cooing? may they not be cooing?
Perfect	V-ing perfect
may I not have cooed? may you not have cooed? may he not have cooed? may we not have cooed? may you not have cooed? may they not have cooed?	may I not have been cooing? may you not have been cooing? may he not have been cooing? may we not have been cooing? may you not have been cooing? may they not have been cooing?