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 mustn't unwrap you mustn't unwrap she mustn't unwrap we mustn't unwrap you mustn't unwrap they mustn't unwrap
V-ing form
I mustn't be unwrapping you mustn't be unwrapping she mustn't be unwrapping we mustn't be unwrapping you mustn't be unwrapping they mustn't be unwrapping
Perfect
I mustn't have unwrapped you mustn't have unwrapped she mustn't have unwrapped we mustn't have unwrapped you mustn't have unwrapped they mustn't have unwrapped
V-ing perfect
I mustn't have been unwrapping you mustn't have been unwrapping she mustn't have been unwrapping we mustn't have been unwrapping you mustn't have been unwrapping they mustn't 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
mustn't I unwrap? mustn't you unwrap? mustn't she unwrap? mustn't we unwrap? mustn't you unwrap? mustn't they unwrap?
V-ing form
mustn't I be unwrapping? mustn't you be unwrapping? mustn't she be unwrapping? mustn't we be unwrapping? mustn't you be unwrapping? mustn't they be unwrapping?
Perfect
mustn't I have unwrapped? mustn't you have unwrapped? mustn't she have unwrapped? mustn't we have unwrapped? mustn't you have unwrapped? mustn't they have unwrapped?
V-ing perfect
mustn't I have been unwrapping? mustn't you have been unwrapping? mustn't she have been unwrapping? mustn't we have been unwrapping? mustn't you have been unwrapping? mustn't they have been unwrapping?