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