I must linger you must linger she must linger we must linger you must linger they must linger
V-ing form
I must be lingering you must be lingering she must be lingering we must be lingering you must be lingering they must be lingering
Perfect
I must have lingered you must have lingered she must have lingered we must have lingered you must have lingered they must have lingered
V-ing perfect
I must have been lingering you must have been lingering she must have been lingering we must have been lingering you must have been lingering they must have been lingering
Negation
Simple form
I mustn't linger you mustn't linger she mustn't linger we mustn't linger you mustn't linger they mustn't linger
V-ing form
I mustn't be lingering you mustn't be lingering she mustn't be lingering we mustn't be lingering you mustn't be lingering they mustn't be lingering
Perfect
I mustn't have lingered you mustn't have lingered she mustn't have lingered we mustn't have lingered you mustn't have lingered they mustn't have lingered
V-ing perfect
I mustn't have been lingering you mustn't have been lingering she mustn't have been lingering we mustn't have been lingering you mustn't have been lingering they mustn't have been lingering
Interrogative form
Simple form
must I linger? must you linger? must she linger? must we linger? must you linger? must they linger?
V-ing form
must I be lingering? must you be lingering? must she be lingering? must we be lingering? must you be lingering? must they be lingering?
Perfect
must I have lingered? must you have lingered? must she have lingered? must we have lingered? must you have lingered? must they have lingered?
V-ing perfect
must I have been lingering? must you have been lingering? must she have been lingering? must we have been lingering? must you have been lingering? must they have been lingering?
Interro-negative form
Simple form
mustn't I linger? mustn't you linger? mustn't she linger? mustn't we linger? mustn't you linger? mustn't they linger?
V-ing form
mustn't I be lingering? mustn't you be lingering? mustn't she be lingering? mustn't we be lingering? mustn't you be lingering? mustn't they be lingering?
Perfect
mustn't I have lingered? mustn't you have lingered? mustn't she have lingered? mustn't we have lingered? mustn't you have lingered? mustn't they have lingered?
V-ing perfect
mustn't I have been lingering? mustn't you have been lingering? mustn't she have been lingering? mustn't we have been lingering? mustn't you have been lingering? mustn't they have been lingering?