I must unwrap you must unwrap she must unwrap we must unwrap you must unwrap they must unwrap
V-ing form
I must be unwrapping you must be unwrapping she must be unwrapping we must be unwrapping you must be unwrapping they must be unwrapping
Perfect
I must have unwrapped you must have unwrapped she must have unwrapped we must have unwrapped you must have unwrapped they must have unwrapped
V-ing perfect
I must have been unwrapping you must have been unwrapping she must have been unwrapping we must have been unwrapping you must have been unwrapping they must have been unwrapping
Negation
Simple form
I must not unwrap you must not unwrap she must not unwrap we must not unwrap you must not unwrap they must not unwrap
V-ing form
I must not be unwrapping you must not be unwrapping she must not be unwrapping we must not be unwrapping you must not be unwrapping they must not be unwrapping
Perfect
I must not have unwrapped you must not have unwrapped she must not have unwrapped we must not have unwrapped you must not have unwrapped they must not have unwrapped
V-ing perfect
I must not have been unwrapping you must not have been unwrapping she must not have been unwrapping we must not have been unwrapping you must not have been unwrapping they must not have been unwrapping
Interrogative form
Simple form
must I unwrap? must you unwrap? must she unwrap? must we unwrap? must you unwrap? must they unwrap?
V-ing form
must I be unwrapping? must you be unwrapping? must she be unwrapping? must we be unwrapping? must you be unwrapping? must they be unwrapping?
Perfect
must I have unwrapped? must you have unwrapped? must she have unwrapped? must we have unwrapped? must you have unwrapped? must they have unwrapped?
V-ing perfect
must I have been unwrapping? must you have been unwrapping? must she have been unwrapping? must we have been unwrapping? must you have been unwrapping? must they have been unwrapping?
Interro-negative form
Simple form
must I not unwrap? must you not unwrap? must she not unwrap? must we not unwrap? must you not unwrap? must they not unwrap?
V-ing form
must I not be unwrapping? must you not be unwrapping? must she not be unwrapping? must we not be unwrapping? must you not be unwrapping? must they not be unwrapping?
Perfect
must I not have unwrapped? must you not have unwrapped? must she not have unwrapped? must we not have unwrapped? must you not have unwrapped? must they not have unwrapped?
V-ing perfect
must I not have been unwrapping? must you not have been unwrapping? must she not have been unwrapping? must we not have been unwrapping? must you not have been unwrapping? must they not have been unwrapping?