I must shorten you must shorten she must shorten we must shorten you must shorten they must shorten
Forma com V-ing
I must be shortening you must be shortening she must be shortening we must be shortening you must be shortening they must be shortening
Perfeito
I must have shortened you must have shortened she must have shortened we must have shortened you must have shortened they must have shortened
Perfeito com V-ing
I must have been shortening you must have been shortening she must have been shortening we must have been shortening you must have been shortening they must have been shortening
Negação
Forma simple
I mustn't shorten you mustn't shorten she mustn't shorten we mustn't shorten you mustn't shorten they mustn't shorten
Forma com V-ing
I mustn't be shortening you mustn't be shortening she mustn't be shortening we mustn't be shortening you mustn't be shortening they mustn't be shortening
Perfeito
I mustn't have shortened you mustn't have shortened she mustn't have shortened we mustn't have shortened you mustn't have shortened they mustn't have shortened
Perfeito com V-ing
I mustn't have been shortening you mustn't have been shortening she mustn't have been shortening we mustn't have been shortening you mustn't have been shortening they mustn't have been shortening
Forma interrogativa
Forma simple
must I shorten? must you shorten? must she shorten? must we shorten? must you shorten? must they shorten?
Forma com V-ing
must I be shortening? must you be shortening? must she be shortening? must we be shortening? must you be shortening? must they be shortening?
Perfeito
must I have shortened? must you have shortened? must she have shortened? must we have shortened? must you have shortened? must they have shortened?
Perfeito com V-ing
must I have been shortening? must you have been shortening? must she have been shortening? must we have been shortening? must you have been shortening? must they have been shortening?
Forma interro-Negação
Forma simple
mustn't I shorten? mustn't you shorten? mustn't she shorten? mustn't we shorten? mustn't you shorten? mustn't they shorten?
Forma com V-ing
mustn't I be shortening? mustn't you be shortening? mustn't she be shortening? mustn't we be shortening? mustn't you be shortening? mustn't they be shortening?
Perfeito
mustn't I have shortened? mustn't you have shortened? mustn't she have shortened? mustn't we have shortened? mustn't you have shortened? mustn't they have shortened?
Perfeito com V-ing
mustn't I have been shortening? mustn't you have been shortening? mustn't she have been shortening? mustn't we have been shortening? mustn't you have been shortening? mustn't they have been shortening?