must long
Verbo regular: long - longed- longed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must long
you must long
he must long
we must long
you must long
they must long 	I must be longing
you must be longing
he must be longing
we must be longing
you must be longing
they must be longing	I must have longed
you must have longed
he must have longed
we must have longed
you must have longed
they must have longed	I must have been longing
you must have been longing
he must have been longing
we must have been longing
you must have been longing
they must have been longing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't long
you mustn't long
he mustn't long
we mustn't long
you mustn't long
they mustn't long 	I mustn't be longing
you mustn't be longing
he mustn't be longing
we mustn't be longing
you mustn't be longing
they mustn't be longing	I mustn't have longed
you mustn't have longed
he mustn't have longed
we mustn't have longed
you mustn't have longed
they mustn't have longed	I mustn't have been longing
you mustn't have been longing
he mustn't have been longing
we mustn't have been longing
you mustn't have been longing
they mustn't have been longing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I long?
must you long?
must he long?
must we long?
must you long?
must they long? 	must I be longing?
must you be longing?
must he be longing?
must we be longing?
must you be longing?
must they be longing? 	must I have longed?
must you have longed?
must he have longed?
must we have longed?
must you have longed?
must they have longed? 	must I have been longing?
must you have been longing?
must he have been longing?
must we have been longing?
must you have been longing?
must they have been longing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I long?
mustn't you long?
mustn't he long?
mustn't we long?
mustn't you long?
mustn't they long? 	mustn't I be longing?
mustn't you be longing?
mustn't he be longing?
mustn't we be longing?
mustn't you be longing?
mustn't they be longing? 	mustn't I have longed?
mustn't you have longed?
mustn't he have longed?
mustn't we have longed?
mustn't you have longed?
mustn't they have longed? 	mustn't I have been longing?
mustn't you have been longing?
mustn't he have been longing?
mustn't we have been longing?
mustn't you have been longing?
mustn't they have been longing?