must seam
Verbe régulier : seam - seamed- seamed
Traduction française : faire une couture dans - faire un joint à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must seam
you must seam
he must seam
we must seam
you must seam
they must seam 	I must be seaming
you must be seaming
he must be seaming
we must be seaming
you must be seaming
they must be seaming	I must have seamed
you must have seamed
he must have seamed
we must have seamed
you must have seamed
they must have seamed	I must have been seaming
you must have been seaming
he must have been seaming
we must have been seaming
you must have been seaming
they must have been seaming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't seam
you mustn't seam
he mustn't seam
we mustn't seam
you mustn't seam
they mustn't seam 	I mustn't be seaming
you mustn't be seaming
he mustn't be seaming
we mustn't be seaming
you mustn't be seaming
they mustn't be seaming	I mustn't have seamed
you mustn't have seamed
he mustn't have seamed
we mustn't have seamed
you mustn't have seamed
they mustn't have seamed	I mustn't have been seaming
you mustn't have been seaming
he mustn't have been seaming
we mustn't have been seaming
you mustn't have been seaming
they mustn't have been seaming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I seam?
must you seam?
must he seam?
must we seam?
must you seam?
must they seam? 	must I be seaming?
must you be seaming?
must he be seaming?
must we be seaming?
must you be seaming?
must they be seaming? 	must I have seamed?
must you have seamed?
must he have seamed?
must we have seamed?
must you have seamed?
must they have seamed? 	must I have been seaming?
must you have been seaming?
must he have been seaming?
must we have been seaming?
must you have been seaming?
must they have been seaming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I seam?
mustn't you seam?
mustn't he seam?
mustn't we seam?
mustn't you seam?
mustn't they seam? 	mustn't I be seaming?
mustn't you be seaming?
mustn't he be seaming?
mustn't we be seaming?
mustn't you be seaming?
mustn't they be seaming? 	mustn't I have seamed?
mustn't you have seamed?
mustn't he have seamed?
mustn't we have seamed?
mustn't you have seamed?
mustn't they have seamed? 	mustn't I have been seaming?
mustn't you have been seaming?
mustn't he have been seaming?
mustn't we have been seaming?
mustn't you have been seaming?
mustn't they have been seaming?