I must secrete you must secrete she must secrete we must secrete you must secrete they must secrete
Forma com V-ing
I must be secreting you must be secreting she must be secreting we must be secreting you must be secreting they must be secreting
Perfeito
I must have secreted you must have secreted she must have secreted we must have secreted you must have secreted they must have secreted
Perfeito com V-ing
I must have been secreting you must have been secreting she must have been secreting we must have been secreting you must have been secreting they must have been secreting
Negação
Forma simple
I mustn't secrete you mustn't secrete she mustn't secrete we mustn't secrete you mustn't secrete they mustn't secrete
Forma com V-ing
I mustn't be secreting you mustn't be secreting she mustn't be secreting we mustn't be secreting you mustn't be secreting they mustn't be secreting
Perfeito
I mustn't have secreted you mustn't have secreted she mustn't have secreted we mustn't have secreted you mustn't have secreted they mustn't have secreted
Perfeito com V-ing
I mustn't have been secreting you mustn't have been secreting she mustn't have been secreting we mustn't have been secreting you mustn't have been secreting they mustn't have been secreting
Forma interrogativa
Forma simple
must I secrete? must you secrete? must she secrete? must we secrete? must you secrete? must they secrete?
Forma com V-ing
must I be secreting? must you be secreting? must she be secreting? must we be secreting? must you be secreting? must they be secreting?
Perfeito
must I have secreted? must you have secreted? must she have secreted? must we have secreted? must you have secreted? must they have secreted?
Perfeito com V-ing
must I have been secreting? must you have been secreting? must she have been secreting? must we have been secreting? must you have been secreting? must they have been secreting?
Forma interro-Negação
Forma simple
mustn't I secrete? mustn't you secrete? mustn't she secrete? mustn't we secrete? mustn't you secrete? mustn't they secrete?
Forma com V-ing
mustn't I be secreting? mustn't you be secreting? mustn't she be secreting? mustn't we be secreting? mustn't you be secreting? mustn't they be secreting?
Perfeito
mustn't I have secreted? mustn't you have secreted? mustn't she have secreted? mustn't we have secreted? mustn't you have secreted? mustn't they have secreted?
Perfeito com V-ing
mustn't I have been secreting? mustn't you have been secreting? mustn't she have been secreting? mustn't we have been secreting? mustn't you have been secreting? mustn't they have been secreting?