must neigh
Verbo regular: neigh - neighed- neighed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must neigh
you must neigh
he must neigh
we must neigh
you must neigh
they must neigh 	I must be neighing
you must be neighing
he must be neighing
we must be neighing
you must be neighing
they must be neighing	I must have neighed
you must have neighed
he must have neighed
we must have neighed
you must have neighed
they must have neighed	I must have been neighing
you must have been neighing
he must have been neighing
we must have been neighing
you must have been neighing
they must have been neighing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't neigh
you mustn't neigh
he mustn't neigh
we mustn't neigh
you mustn't neigh
they mustn't neigh 	I mustn't be neighing
you mustn't be neighing
he mustn't be neighing
we mustn't be neighing
you mustn't be neighing
they mustn't be neighing	I mustn't have neighed
you mustn't have neighed
he mustn't have neighed
we mustn't have neighed
you mustn't have neighed
they mustn't have neighed	I mustn't have been neighing
you mustn't have been neighing
he mustn't have been neighing
we mustn't have been neighing
you mustn't have been neighing
they mustn't have been neighing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I neigh?
must you neigh?
must he neigh?
must we neigh?
must you neigh?
must they neigh? 	must I be neighing?
must you be neighing?
must he be neighing?
must we be neighing?
must you be neighing?
must they be neighing? 	must I have neighed?
must you have neighed?
must he have neighed?
must we have neighed?
must you have neighed?
must they have neighed? 	must I have been neighing?
must you have been neighing?
must he have been neighing?
must we have been neighing?
must you have been neighing?
must they have been neighing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I neigh?
mustn't you neigh?
mustn't he neigh?
mustn't we neigh?
mustn't you neigh?
mustn't they neigh? 	mustn't I be neighing?
mustn't you be neighing?
mustn't he be neighing?
mustn't we be neighing?
mustn't you be neighing?
mustn't they be neighing? 	mustn't I have neighed?
mustn't you have neighed?
mustn't he have neighed?
mustn't we have neighed?
mustn't you have neighed?
mustn't they have neighed? 	mustn't I have been neighing?
mustn't you have been neighing?
mustn't he have been neighing?
mustn't we have been neighing?
mustn't you have been neighing?
mustn't they have been neighing?