must window-dress
Verbo regular: window-dress - window-dressed- window-dressed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not window-dress
you must not window-dress
he must not window-dress
we must not window-dress
you must not window-dress
they must not window-dress 	I must not be window-dressing
you must not be window-dressing
he must not be window-dressing
we must not be window-dressing
you must not be window-dressing
they must not be window-dressing	I must not have window-dressed
you must not have window-dressed
he must not have window-dressed
we must not have window-dressed
you must not have window-dressed
they must not have window-dressed	I must not have been window-dressing
you must not have been window-dressing
he must not have been window-dressing
we must not have been window-dressing
you must not have been window-dressing
they must not have been window-dressing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not window-dress?
must you not window-dress?
must he not window-dress?
must we not window-dress?
must you not window-dress?
must they not window-dress? 	must I not be window-dressing?
must you not be window-dressing?
must he not be window-dressing?
must we not be window-dressing?
must you not be window-dressing?
must they not be window-dressing? 	must I not have window-dressed?
must you not have window-dressed?
must he not have window-dressed?
must we not have window-dressed?
must you not have window-dressed?
must they not have window-dressed? 	must I not have been window-dressing?
must you not have been window-dressing?
must he not have been window-dressing?
must we not have been window-dressing?
must you not have been window-dressing?
must they not have been window-dressing?