I must comb you must comb she must comb we must comb you must comb they must comb
Forma com V-ing
I must be combing you must be combing she must be combing we must be combing you must be combing they must be combing
Perfeito
I must have combed you must have combed she must have combed we must have combed you must have combed they must have combed
Perfeito com V-ing
I must have been combing you must have been combing she must have been combing we must have been combing you must have been combing they must have been combing
Negação
Forma simple
I mustn't comb you mustn't comb she mustn't comb we mustn't comb you mustn't comb they mustn't comb
Forma com V-ing
I mustn't be combing you mustn't be combing she mustn't be combing we mustn't be combing you mustn't be combing they mustn't be combing
Perfeito
I mustn't have combed you mustn't have combed she mustn't have combed we mustn't have combed you mustn't have combed they mustn't have combed
Perfeito com V-ing
I mustn't have been combing you mustn't have been combing she mustn't have been combing we mustn't have been combing you mustn't have been combing they mustn't have been combing
Forma interrogativa
Forma simple
must I comb? must you comb? must she comb? must we comb? must you comb? must they comb?
Forma com V-ing
must I be combing? must you be combing? must she be combing? must we be combing? must you be combing? must they be combing?
Perfeito
must I have combed? must you have combed? must she have combed? must we have combed? must you have combed? must they have combed?
Perfeito com V-ing
must I have been combing? must you have been combing? must she have been combing? must we have been combing? must you have been combing? must they have been combing?
Forma interro-Negação
Forma simple
mustn't I comb? mustn't you comb? mustn't she comb? mustn't we comb? mustn't you comb? mustn't they comb?
Forma com V-ing
mustn't I be combing? mustn't you be combing? mustn't she be combing? mustn't we be combing? mustn't you be combing? mustn't they be combing?
Perfeito
mustn't I have combed? mustn't you have combed? mustn't she have combed? mustn't we have combed? mustn't you have combed? mustn't they have combed?
Perfeito com V-ing
mustn't I have been combing? mustn't you have been combing? mustn't she have been combing? mustn't we have been combing? mustn't you have been combing? mustn't they have been combing?