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