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