must window-dress
Verbe régulier : window-dress - window-dressed- window-dressed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must window-dress
you must window-dress
he must window-dress
we must window-dress
you must window-dress
they must window-dress 	I must be window-dressing
you must be window-dressing
he must be window-dressing
we must be window-dressing
you must be window-dressing
they must be window-dressing	I must have window-dressed
you must have window-dressed
he must have window-dressed
we must have window-dressed
you must have window-dressed
they must have window-dressed	I must have been window-dressing
you must have been window-dressing
he must have been window-dressing
we must have been window-dressing
you must have been window-dressing
they must have been window-dressing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't window-dress
you mustn't window-dress
he mustn't window-dress
we mustn't window-dress
you mustn't window-dress
they mustn't window-dress 	I mustn't be window-dressing
you mustn't be window-dressing
he mustn't be window-dressing
we mustn't be window-dressing
you mustn't be window-dressing
they mustn't be window-dressing	I mustn't have window-dressed
you mustn't have window-dressed
he mustn't have window-dressed
we mustn't have window-dressed
you mustn't have window-dressed
they mustn't have window-dressed	I mustn't have been window-dressing
you mustn't have been window-dressing
he mustn't have been window-dressing
we mustn't have been window-dressing
you mustn't have been window-dressing
they mustn't have been window-dressing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I window-dress?
must you window-dress?
must he window-dress?
must we window-dress?
must you window-dress?
must they window-dress? 	must I be window-dressing?
must you be window-dressing?
must he be window-dressing?
must we be window-dressing?
must you be window-dressing?
must they be window-dressing? 	must I have window-dressed?
must you have window-dressed?
must he have window-dressed?
must we have window-dressed?
must you have window-dressed?
must they have window-dressed? 	must I have been window-dressing?
must you have been window-dressing?
must he have been window-dressing?
must we have been window-dressing?
must you have been window-dressing?
must they have been window-dressing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I window-dress?
mustn't you window-dress?
mustn't he window-dress?
mustn't we window-dress?
mustn't you window-dress?
mustn't they window-dress? 	mustn't I be window-dressing?
mustn't you be window-dressing?
mustn't he be window-dressing?
mustn't we be window-dressing?
mustn't you be window-dressing?
mustn't they be window-dressing? 	mustn't I have window-dressed?
mustn't you have window-dressed?
mustn't he have window-dressed?
mustn't we have window-dressed?
mustn't you have window-dressed?
mustn't they have window-dressed? 	mustn't I have been window-dressing?
mustn't you have been window-dressing?
mustn't he have been window-dressing?
mustn't we have been window-dressing?
mustn't you have been window-dressing?
mustn't they have been window-dressing?