I must whiten you must whiten he must whiten we must whiten you must whiten they must whiten
Forma con V-ing
I must be whitening you must be whitening he must be whitening we must be whitening you must be whitening they must be whitening
Perfetto
I must have whitened you must have whitened he must have whitened we must have whitened you must have whitened they must have whitened
Perfetto con V-ing
I must have been whitening you must have been whitening he must have been whitening we must have been whitening you must have been whitening they must have been whitening
Negazione
Forma semplice
I mustn't whiten you mustn't whiten he mustn't whiten we mustn't whiten you mustn't whiten they mustn't whiten
Forma con V-ing
I mustn't be whitening you mustn't be whitening he mustn't be whitening we mustn't be whitening you mustn't be whitening they mustn't be whitening
Perfetto
I mustn't have whitened you mustn't have whitened he mustn't have whitened we mustn't have whitened you mustn't have whitened they mustn't have whitened
Perfetto con V-ing
I mustn't have been whitening you mustn't have been whitening he mustn't have been whitening we mustn't have been whitening you mustn't have been whitening they mustn't have been whitening
Forma interrogativa
Forma semplice
must I whiten? must you whiten? must he whiten? must we whiten? must you whiten? must they whiten?
Forma con V-ing
must I be whitening? must you be whitening? must he be whitening? must we be whitening? must you be whitening? must they be whitening?
Perfetto
must I have whitened? must you have whitened? must he have whitened? must we have whitened? must you have whitened? must they have whitened?
Perfetto con V-ing
must I have been whitening? must you have been whitening? must he have been whitening? must we have been whitening? must you have been whitening? must they have been whitening?
Forma interro-negativa
Forma semplice
mustn't I whiten? mustn't you whiten? mustn't he whiten? mustn't we whiten? mustn't you whiten? mustn't they whiten?
Forma con V-ing
mustn't I be whitening? mustn't you be whitening? mustn't he be whitening? mustn't we be whitening? mustn't you be whitening? mustn't they be whitening?
Perfetto
mustn't I have whitened? mustn't you have whitened? mustn't he have whitened? mustn't we have whitened? mustn't you have whitened? mustn't they have whitened?
Perfetto con V-ing
mustn't I have been whitening? mustn't you have been whitening? mustn't he have been whitening? mustn't we have been whitening? mustn't you have been whitening? mustn't they have been whitening?