I must dull you must dull she must dull we must dull you must dull they must dull
Forma com V-ing
I must be dulling you must be dulling she must be dulling we must be dulling you must be dulling they must be dulling
Perfeito
I must have dulled you must have dulled she 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 she 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 she 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 she 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 she 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 she 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 she dull? must we dull? must you dull? must they dull?
Forma com V-ing
must I be dulling? must you be dulling? must she be dulling? must we be dulling? must you be dulling? must they be dulling?
Perfeito
must I have dulled? must you have dulled? must she 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 she 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 she 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 she 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 she 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 she have been dulling? mustn't we have been dulling? mustn't you have been dulling? mustn't they have been dulling?