I must window-dress you must window-dress she 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 she 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 she 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 she 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 must not window-dress you must not window-dress she must not window-dress we must not window-dress you must not window-dress they must not window-dress
Forme en V-ing
I must not be window-dressing you must not be window-dressing she must not be window-dressing we must not be window-dressing you must not be window-dressing they must not be window-dressing
Perfect
I must not have window-dressed you must not have window-dressed she must not have window-dressed we must not have window-dressed you must not have window-dressed they must not have window-dressed
Perfect en V-ing
I must not have been window-dressing you must not have been window-dressing she 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
Forme interrogative
Forme simple
must I window-dress? must you window-dress? must she 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 she 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 she 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 she 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
must I not window-dress? must you not window-dress? must she not window-dress? must we not window-dress? must you not window-dress? must they not window-dress?
Forme en V-ing
must I not be window-dressing? must you not be window-dressing? must she not be window-dressing? must we not be window-dressing? must you not be window-dressing? must they not be window-dressing?
Perfect
must I not have window-dressed? must you not have window-dressed? must she not have window-dressed? must we not have window-dressed? must you not have window-dressed? must they not have window-dressed?
Perfect en V-ing
must I not have been window-dressing? must you not have been window-dressing? must she 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?