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