I must dull you must dull he must dull we must dull you must dull they must dull
Forma com V-ing
I must be dulling you must be dulling he must be dulling we must be dulling you must be dulling they must be dulling
Perfeito
I must have dulled you must have dulled he must have dulled we must have dulled you must have dulled they must have dulled
Perfeito com V-ing
I must have been dulling you must have been dulling he must have been dulling we must have been dulling you must have been dulling they must have been dulling
Negação
Forma simple
I mustn't dull you mustn't dull he mustn't dull we mustn't dull you mustn't dull they mustn't dull
Forma com V-ing
I mustn't be dulling you mustn't be dulling he mustn't be dulling we mustn't be dulling you mustn't be dulling they mustn't be dulling
Perfeito
I mustn't have dulled you mustn't have dulled he mustn't have dulled we mustn't have dulled you mustn't have dulled they mustn't have dulled
Perfeito com V-ing
I mustn't have been dulling you mustn't have been dulling he mustn't have been dulling we mustn't have been dulling you mustn't have been dulling they mustn't have been dulling
Forma interrogativa
Forma simple
must I dull? must you dull? must he dull? must we dull? must you dull? must they dull?
Forma com V-ing
must I be dulling? must you be dulling? must he be dulling? must we be dulling? must you be dulling? must they be dulling?
Perfeito
must I have dulled? must you have dulled? must he have dulled? must we have dulled? must you have dulled? must they have dulled?
Perfeito com V-ing
must I have been dulling? must you have been dulling? must he have been dulling? must we have been dulling? must you have been dulling? must they have been dulling?
Forma interro-Negação
Forma simple
mustn't I dull? mustn't you dull? mustn't he dull? mustn't we dull? mustn't you dull? mustn't they dull?
Forma com V-ing
mustn't I be dulling? mustn't you be dulling? mustn't he be dulling? mustn't we be dulling? mustn't you be dulling? mustn't they be dulling?
Perfeito
mustn't I have dulled? mustn't you have dulled? mustn't he have dulled? mustn't we have dulled? mustn't you have dulled? mustn't they have dulled?
Perfeito com V-ing
mustn't I have been dulling? mustn't you have been dulling? mustn't he have been dulling? mustn't we have been dulling? mustn't you have been dulling? mustn't they have been dulling?