I must expose you must expose he must expose we must expose you must expose they must expose
V-ing form
I must be exposing you must be exposing he must be exposing we must be exposing you must be exposing they must be exposing
Perfect
I must have exposed you must have exposed he must have exposed we must have exposed you must have exposed they must have exposed
V-ing perfect
I must have been exposing you must have been exposing he must have been exposing we must have been exposing you must have been exposing they must have been exposing
Negation
Simple form
I mustn't expose you mustn't expose he mustn't expose we mustn't expose you mustn't expose they mustn't expose
V-ing form
I mustn't be exposing you mustn't be exposing he mustn't be exposing we mustn't be exposing you mustn't be exposing they mustn't be exposing
Perfect
I mustn't have exposed you mustn't have exposed he mustn't have exposed we mustn't have exposed you mustn't have exposed they mustn't have exposed
V-ing perfect
I mustn't have been exposing you mustn't have been exposing he mustn't have been exposing we mustn't have been exposing you mustn't have been exposing they mustn't have been exposing
Interrogative form
Simple form
must I expose? must you expose? must he expose? must we expose? must you expose? must they expose?
V-ing form
must I be exposing? must you be exposing? must he be exposing? must we be exposing? must you be exposing? must they be exposing?
Perfect
must I have exposed? must you have exposed? must he have exposed? must we have exposed? must you have exposed? must they have exposed?
V-ing perfect
must I have been exposing? must you have been exposing? must he have been exposing? must we have been exposing? must you have been exposing? must they have been exposing?
Interro-negative form
Simple form
mustn't I expose? mustn't you expose? mustn't he expose? mustn't we expose? mustn't you expose? mustn't they expose?
V-ing form
mustn't I be exposing? mustn't you be exposing? mustn't he be exposing? mustn't we be exposing? mustn't you be exposing? mustn't they be exposing?
Perfect
mustn't I have exposed? mustn't you have exposed? mustn't he have exposed? mustn't we have exposed? mustn't you have exposed? mustn't they have exposed?
V-ing perfect
mustn't I have been exposing? mustn't you have been exposing? mustn't he have been exposing? mustn't we have been exposing? mustn't you have been exposing? mustn't they have been exposing?