I must wrap you must wrap he must wrap we must wrap you must wrap they must wrap
V-ing form
I must be wrapping you must be wrapping he must be wrapping we must be wrapping you must be wrapping they must be wrapping
Perfect
I must have wrapped you must have wrapped he 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 he 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 he 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 he 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 he 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 he 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 he wrap? must we wrap? must you wrap? must they wrap?
V-ing form
must I be wrapping? must you be wrapping? must he be wrapping? must we be wrapping? must you be wrapping? must they be wrapping?
Perfect
must I have wrapped? must you have wrapped? must he 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 he 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 he 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 he 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 he 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 he not have been wrapping? must we not have been wrapping? must you not have been wrapping? must they not have been wrapping?