must breast-feed
Verbo irregular: breast-feed - breast-fed- breast-fed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must breast-feed
you must breast-feed
she must breast-feed
we must breast-feed
you must breast-feed
they must breast-feed 	I must be breast-feeding
you must be breast-feeding
she must be breast-feeding
we must be breast-feeding
you must be breast-feeding
they must be breast-feeding	I must have breast-fed
you must have breast-fed
she must have breast-fed
we must have breast-fed
you must have breast-fed
they must have breast-fed	I must have been breast-feeding
you must have been breast-feeding
she must have been breast-feeding
we must have been breast-feeding
you must have been breast-feeding
they must have been breast-feeding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't breast-feed
you mustn't breast-feed
she mustn't breast-feed
we mustn't breast-feed
you mustn't breast-feed
they mustn't breast-feed 	I mustn't be breast-feeding
you mustn't be breast-feeding
she mustn't be breast-feeding
we mustn't be breast-feeding
you mustn't be breast-feeding
they mustn't be breast-feeding	I mustn't have breast-fed
you mustn't have breast-fed
she mustn't have breast-fed
we mustn't have breast-fed
you mustn't have breast-fed
they mustn't have breast-fed	I mustn't have been breast-feeding
you mustn't have been breast-feeding
she mustn't have been breast-feeding
we mustn't have been breast-feeding
you mustn't have been breast-feeding
they mustn't have been breast-feeding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I breast-feed?
must you breast-feed?
must she breast-feed?
must we breast-feed?
must you breast-feed?
must they breast-feed? 	must I be breast-feeding?
must you be breast-feeding?
must she be breast-feeding?
must we be breast-feeding?
must you be breast-feeding?
must they be breast-feeding? 	must I have breast-fed?
must you have breast-fed?
must she have breast-fed?
must we have breast-fed?
must you have breast-fed?
must they have breast-fed? 	must I have been breast-feeding?
must you have been breast-feeding?
must she have been breast-feeding?
must we have been breast-feeding?
must you have been breast-feeding?
must they have been breast-feeding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I breast-feed?
mustn't you breast-feed?
mustn't she breast-feed?
mustn't we breast-feed?
mustn't you breast-feed?
mustn't they breast-feed? 	mustn't I be breast-feeding?
mustn't you be breast-feeding?
mustn't she be breast-feeding?
mustn't we be breast-feeding?
mustn't you be breast-feeding?
mustn't they be breast-feeding? 	mustn't I have breast-fed?
mustn't you have breast-fed?
mustn't she have breast-fed?
mustn't we have breast-fed?
mustn't you have breast-fed?
mustn't they have breast-fed? 	mustn't I have been breast-feeding?
mustn't you have been breast-feeding?
mustn't she have been breast-feeding?
mustn't we have been breast-feeding?
mustn't you have been breast-feeding?
mustn't they have been breast-feeding?