I must gift-wrap you must gift-wrap she must gift-wrap we must gift-wrap you must gift-wrap they must gift-wrap
V-ing form
I must be gift-wraping you must be gift-wraping she must be gift-wraping we must be gift-wraping you must be gift-wraping they must be gift-wraping
Perfect
I must have gift-wraped you must have gift-wraped she must have gift-wraped we must have gift-wraped you must have gift-wraped they must have gift-wraped
V-ing perfect
I must have been gift-wraping you must have been gift-wraping she must have been gift-wraping we must have been gift-wraping you must have been gift-wraping they must have been gift-wraping
Negation
Simple form
I must not gift-wrap you must not gift-wrap she must not gift-wrap we must not gift-wrap you must not gift-wrap they must not gift-wrap
V-ing form
I must not be gift-wraping you must not be gift-wraping she must not be gift-wraping we must not be gift-wraping you must not be gift-wraping they must not be gift-wraping
Perfect
I must not have gift-wraped you must not have gift-wraped she must not have gift-wraped we must not have gift-wraped you must not have gift-wraped they must not have gift-wraped
V-ing perfect
I must not have been gift-wraping you must not have been gift-wraping she must not have been gift-wraping we must not have been gift-wraping you must not have been gift-wraping they must not have been gift-wraping
Interrogative form
Simple form
must I gift-wrap? must you gift-wrap? must she gift-wrap? must we gift-wrap? must you gift-wrap? must they gift-wrap?
V-ing form
must I be gift-wraping? must you be gift-wraping? must she be gift-wraping? must we be gift-wraping? must you be gift-wraping? must they be gift-wraping?
Perfect
must I have gift-wraped? must you have gift-wraped? must she have gift-wraped? must we have gift-wraped? must you have gift-wraped? must they have gift-wraped?
V-ing perfect
must I have been gift-wraping? must you have been gift-wraping? must she have been gift-wraping? must we have been gift-wraping? must you have been gift-wraping? must they have been gift-wraping?
Interro-negative form
Simple form
must I not gift-wrap? must you not gift-wrap? must she not gift-wrap? must we not gift-wrap? must you not gift-wrap? must they not gift-wrap?
V-ing form
must I not be gift-wraping? must you not be gift-wraping? must she not be gift-wraping? must we not be gift-wraping? must you not be gift-wraping? must they not be gift-wraping?
Perfect
must I not have gift-wraped? must you not have gift-wraped? must she not have gift-wraped? must we not have gift-wraped? must you not have gift-wraped? must they not have gift-wraped?
V-ing perfect
must I not have been gift-wraping? must you not have been gift-wraping? must she not have been gift-wraping? must we not have been gift-wraping? must you not have been gift-wraping? must they not have been gift-wraping?