I must muss you must muss she must muss we must muss you must muss they must muss
Forma com V-ing
I must be mussing you must be mussing she must be mussing we must be mussing you must be mussing they must be mussing
Perfeito
I must have mussed you must have mussed she must have mussed we must have mussed you must have mussed they must have mussed
Perfeito com V-ing
I must have been mussing you must have been mussing she must have been mussing we must have been mussing you must have been mussing they must have been mussing
Negação
Forma simple
I mustn't muss you mustn't muss she mustn't muss we mustn't muss you mustn't muss they mustn't muss
Forma com V-ing
I mustn't be mussing you mustn't be mussing she mustn't be mussing we mustn't be mussing you mustn't be mussing they mustn't be mussing
Perfeito
I mustn't have mussed you mustn't have mussed she mustn't have mussed we mustn't have mussed you mustn't have mussed they mustn't have mussed
Perfeito com V-ing
I mustn't have been mussing you mustn't have been mussing she mustn't have been mussing we mustn't have been mussing you mustn't have been mussing they mustn't have been mussing
Forma interrogativa
Forma simple
must I muss? must you muss? must she muss? must we muss? must you muss? must they muss?
Forma com V-ing
must I be mussing? must you be mussing? must she be mussing? must we be mussing? must you be mussing? must they be mussing?
Perfeito
must I have mussed? must you have mussed? must she have mussed? must we have mussed? must you have mussed? must they have mussed?
Perfeito com V-ing
must I have been mussing? must you have been mussing? must she have been mussing? must we have been mussing? must you have been mussing? must they have been mussing?
Forma interro-Negação
Forma simple
mustn't I muss? mustn't you muss? mustn't she muss? mustn't we muss? mustn't you muss? mustn't they muss?
Forma com V-ing
mustn't I be mussing? mustn't you be mussing? mustn't she be mussing? mustn't we be mussing? mustn't you be mussing? mustn't they be mussing?
Perfeito
mustn't I have mussed? mustn't you have mussed? mustn't she have mussed? mustn't we have mussed? mustn't you have mussed? mustn't they have mussed?
Perfeito com V-ing
mustn't I have been mussing? mustn't you have been mussing? mustn't she have been mussing? mustn't we have been mussing? mustn't you have been mussing? mustn't they have been mussing?