I may window-dress you may window-dress she may window-dress we may window-dress you may window-dress they may window-dress
V-ing form
I may be window-dressing you may be window-dressing she may be window-dressing we may be window-dressing you may be window-dressing they may be window-dressing
Perfect
I may have window-dressed you may have window-dressed she may have window-dressed we may have window-dressed you may have window-dressed they may have window-dressed
V-ing perfect
I may have been window-dressing you may have been window-dressing she may have been window-dressing we may have been window-dressing you may have been window-dressing they may have been window-dressing
Negation
Simple form
I may not window-dress you may not window-dress she may not window-dress we may not window-dress you may not window-dress they may not window-dress
V-ing form
I may not be window-dressing you may not be window-dressing she may not be window-dressing we may not be window-dressing you may not be window-dressing they may not be window-dressing
Perfect
I may not have window-dressed you may not have window-dressed she may not have window-dressed we may not have window-dressed you may not have window-dressed they may not have window-dressed
V-ing perfect
I may not have been window-dressing you may not have been window-dressing she may not have been window-dressing we may not have been window-dressing you may not have been window-dressing they may not have been window-dressing
Interrogative form
Simple form
may I window-dress? may you window-dress? may she window-dress? may we window-dress? may you window-dress? may they window-dress?
V-ing form
may I be window-dressing? may you be window-dressing? may she be window-dressing? may we be window-dressing? may you be window-dressing? may they be window-dressing?
Perfect
may I have window-dressed? may you have window-dressed? may she have window-dressed? may we have window-dressed? may you have window-dressed? may they have window-dressed?
V-ing perfect
may I have been window-dressing? may you have been window-dressing? may she have been window-dressing? may we have been window-dressing? may you have been window-dressing? may they have been window-dressing?
Interro-negative form
Simple form
may I not window-dress? may you not window-dress? may she not window-dress? may we not window-dress? may you not window-dress? may they not window-dress?
V-ing form
may I not be window-dressing? may you not be window-dressing? may she not be window-dressing? may we not be window-dressing? may you not be window-dressing? may they not be window-dressing?
Perfect
may I not have window-dressed? may you not have window-dressed? may she not have window-dressed? may we not have window-dressed? may you not have window-dressed? may they not have window-dressed?
V-ing perfect
may I not have been window-dressing? may you not have been window-dressing? may she not have been window-dressing? may we not have been window-dressing? may you not have been window-dressing? may they not have been window-dressing?