I must window-dress you must window-dress he must window-dress we must window-dress you must window-dress they must window-dress
Forme en V-ing
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
Perfect
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
Perfect en V-ing
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
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
Forme en V-ing
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
Perfect
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
Perfect en V-ing
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
must I window-dress? must you window-dress? must he window-dress? must we window-dress? must you window-dress? must they window-dress?
Forme en V-ing
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?
Perfect
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?
Perfect en V-ing
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
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?
Forme en V-ing
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?
Perfect
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?
Perfect en V-ing
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?