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