I must estimate you must estimate she must estimate we must estimate you must estimate they must estimate
Forma com V-ing
I must be estimating you must be estimating she must be estimating we must be estimating you must be estimating they must be estimating
Perfeito
I must have estimated you must have estimated she must have estimated we must have estimated you must have estimated they must have estimated
Perfeito com V-ing
I must have been estimating you must have been estimating she must have been estimating we must have been estimating you must have been estimating they must have been estimating
Negação
Forma simple
I mustn't estimate you mustn't estimate she mustn't estimate we mustn't estimate you mustn't estimate they mustn't estimate
Forma com V-ing
I mustn't be estimating you mustn't be estimating she mustn't be estimating we mustn't be estimating you mustn't be estimating they mustn't be estimating
Perfeito
I mustn't have estimated you mustn't have estimated she mustn't have estimated we mustn't have estimated you mustn't have estimated they mustn't have estimated
Perfeito com V-ing
I mustn't have been estimating you mustn't have been estimating she mustn't have been estimating we mustn't have been estimating you mustn't have been estimating they mustn't have been estimating
Forma interrogativa
Forma simple
must I estimate? must you estimate? must she estimate? must we estimate? must you estimate? must they estimate?
Forma com V-ing
must I be estimating? must you be estimating? must she be estimating? must we be estimating? must you be estimating? must they be estimating?
Perfeito
must I have estimated? must you have estimated? must she have estimated? must we have estimated? must you have estimated? must they have estimated?
Perfeito com V-ing
must I have been estimating? must you have been estimating? must she have been estimating? must we have been estimating? must you have been estimating? must they have been estimating?
Forma interro-Negação
Forma simple
mustn't I estimate? mustn't you estimate? mustn't she estimate? mustn't we estimate? mustn't you estimate? mustn't they estimate?
Forma com V-ing
mustn't I be estimating? mustn't you be estimating? mustn't she be estimating? mustn't we be estimating? mustn't you be estimating? mustn't they be estimating?
Perfeito
mustn't I have estimated? mustn't you have estimated? mustn't she have estimated? mustn't we have estimated? mustn't you have estimated? mustn't they have estimated?
Perfeito com V-ing
mustn't I have been estimating? mustn't you have been estimating? mustn't she have been estimating? mustn't we have been estimating? mustn't you have been estimating? mustn't they have been estimating?