I may breast-feed you may breast-feed he may breast-feed we may breast-feed you may breast-feed they may breast-feed
V-ing form
I may be breast-feeding you may be breast-feeding he may be breast-feeding we may be breast-feeding you may be breast-feeding they may be breast-feeding
Perfect
I may have breast-fed you may have breast-fed he may have breast-fed we may have breast-fed you may have breast-fed they may have breast-fed
V-ing perfect
I may have been breast-feeding you may have been breast-feeding he may have been breast-feeding we may have been breast-feeding you may have been breast-feeding they may have been breast-feeding
Negation
Simple form
I may not breast-feed you may not breast-feed he may not breast-feed we may not breast-feed you may not breast-feed they may not breast-feed
V-ing form
I may not be breast-feeding you may not be breast-feeding he may not be breast-feeding we may not be breast-feeding you may not be breast-feeding they may not be breast-feeding
Perfect
I may not have breast-fed you may not have breast-fed he may not have breast-fed we may not have breast-fed you may not have breast-fed they may not have breast-fed
V-ing perfect
I may not have been breast-feeding you may not have been breast-feeding he may not have been breast-feeding we may not have been breast-feeding you may not have been breast-feeding they may not have been breast-feeding
Interrogative form
Simple form
may I breast-feed? may you breast-feed? may he breast-feed? may we breast-feed? may you breast-feed? may they breast-feed?
V-ing form
may I be breast-feeding? may you be breast-feeding? may he be breast-feeding? may we be breast-feeding? may you be breast-feeding? may they be breast-feeding?
Perfect
may I have breast-fed? may you have breast-fed? may he have breast-fed? may we have breast-fed? may you have breast-fed? may they have breast-fed?
V-ing perfect
may I have been breast-feeding? may you have been breast-feeding? may he have been breast-feeding? may we have been breast-feeding? may you have been breast-feeding? may they have been breast-feeding?
Interro-negative form
Simple form
may I not breast-feed? may you not breast-feed? may he not breast-feed? may we not breast-feed? may you not breast-feed? may they not breast-feed?
V-ing form
may I not be breast-feeding? may you not be breast-feeding? may he not be breast-feeding? may we not be breast-feeding? may you not be breast-feeding? may they not be breast-feeding?
Perfect
may I not have breast-fed? may you not have breast-fed? may he not have breast-fed? may we not have breast-fed? may you not have breast-fed? may they not have breast-fed?
V-ing perfect
may I not have been breast-feeding? may you not have been breast-feeding? may he not have been breast-feeding? may we not have been breast-feeding? may you not have been breast-feeding? may they not have been breast-feeding?