I must frock you must frock he must frock we must frock you must frock they must frock
Forma com V-ing
I must be frocking you must be frocking he must be frocking we must be frocking you must be frocking they must be frocking
Perfeito
I must have frocked you must have frocked he must have frocked we must have frocked you must have frocked they must have frocked
Perfeito com V-ing
I must have been frocking you must have been frocking he must have been frocking we must have been frocking you must have been frocking they must have been frocking
Negação
Forma simple
I mustn't frock you mustn't frock he mustn't frock we mustn't frock you mustn't frock they mustn't frock
Forma com V-ing
I mustn't be frocking you mustn't be frocking he mustn't be frocking we mustn't be frocking you mustn't be frocking they mustn't be frocking
Perfeito
I mustn't have frocked you mustn't have frocked he mustn't have frocked we mustn't have frocked you mustn't have frocked they mustn't have frocked
Perfeito com V-ing
I mustn't have been frocking you mustn't have been frocking he mustn't have been frocking we mustn't have been frocking you mustn't have been frocking they mustn't have been frocking
Forma interrogativa
Forma simple
must I frock? must you frock? must he frock? must we frock? must you frock? must they frock?
Forma com V-ing
must I be frocking? must you be frocking? must he be frocking? must we be frocking? must you be frocking? must they be frocking?
Perfeito
must I have frocked? must you have frocked? must he have frocked? must we have frocked? must you have frocked? must they have frocked?
Perfeito com V-ing
must I have been frocking? must you have been frocking? must he have been frocking? must we have been frocking? must you have been frocking? must they have been frocking?
Forma interro-Negação
Forma simple
mustn't I frock? mustn't you frock? mustn't he frock? mustn't we frock? mustn't you frock? mustn't they frock?
Forma com V-ing
mustn't I be frocking? mustn't you be frocking? mustn't he be frocking? mustn't we be frocking? mustn't you be frocking? mustn't they be frocking?
Perfeito
mustn't I have frocked? mustn't you have frocked? mustn't he have frocked? mustn't we have frocked? mustn't you have frocked? mustn't they have frocked?
Perfeito com V-ing
mustn't I have been frocking? mustn't you have been frocking? mustn't he have been frocking? mustn't we have been frocking? mustn't you have been frocking? mustn't they have been frocking?