must long
Verbe régulier : long - longed- longed
Traduction française : soupirer après 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must long
you must long
she must long
we must long
you must long
they must long 	I must be longing
you must be longing
she must be longing
we must be longing
you must be longing
they must be longing	I must have longed
you must have longed
she 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
she must have been longing
we must have been longing
you must have been longing
they must have been longing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't long
you mustn't long
she 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
she 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
she 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
she mustn't have been longing
we mustn't have been longing
you mustn't have been longing
they mustn't have been longing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I long?
must you long?
must she long?
must we long?
must you long?
must they long? 	must I be longing?
must you be longing?
must she be longing?
must we be longing?
must you be longing?
must they be longing? 	must I have longed?
must you have longed?
must she 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 she have been longing?
must we have been longing?
must you have been longing?
must they have been longing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I long?
mustn't you long?
mustn't she 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 she 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 she 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 she have been longing?
mustn't we have been longing?
mustn't you have been longing?
mustn't they have been longing?