must feed
Verbo irregular: feed - fed- fed

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

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

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

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