must stamp
Verbe régulier : stamp - stamped- stamped
Traduction française : timbrer - taper du pied 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must stamp
you must stamp
he must stamp
we must stamp
you must stamp
they must stamp 	I must be stamping
you must be stamping
he must be stamping
we must be stamping
you must be stamping
they must be stamping	I must have stamped
you must have stamped
he must have stamped
we must have stamped
you must have stamped
they must have stamped	I must have been stamping
you must have been stamping
he must have been stamping
we must have been stamping
you must have been stamping
they must have been stamping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't stamp
you mustn't stamp
he mustn't stamp
we mustn't stamp
you mustn't stamp
they mustn't stamp 	I mustn't be stamping
you mustn't be stamping
he mustn't be stamping
we mustn't be stamping
you mustn't be stamping
they mustn't be stamping	I mustn't have stamped
you mustn't have stamped
he mustn't have stamped
we mustn't have stamped
you mustn't have stamped
they mustn't have stamped	I mustn't have been stamping
you mustn't have been stamping
he mustn't have been stamping
we mustn't have been stamping
you mustn't have been stamping
they mustn't have been stamping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I stamp?
must you stamp?
must he stamp?
must we stamp?
must you stamp?
must they stamp? 	must I be stamping?
must you be stamping?
must he be stamping?
must we be stamping?
must you be stamping?
must they be stamping? 	must I have stamped?
must you have stamped?
must he have stamped?
must we have stamped?
must you have stamped?
must they have stamped? 	must I have been stamping?
must you have been stamping?
must he have been stamping?
must we have been stamping?
must you have been stamping?
must they have been stamping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I stamp?
mustn't you stamp?
mustn't he stamp?
mustn't we stamp?
mustn't you stamp?
mustn't they stamp? 	mustn't I be stamping?
mustn't you be stamping?
mustn't he be stamping?
mustn't we be stamping?
mustn't you be stamping?
mustn't they be stamping? 	mustn't I have stamped?
mustn't you have stamped?
mustn't he have stamped?
mustn't we have stamped?
mustn't you have stamped?
mustn't they have stamped? 	mustn't I have been stamping?
mustn't you have been stamping?
mustn't he have been stamping?
mustn't we have been stamping?
mustn't you have been stamping?
mustn't they have been stamping?