I must fax you must fax he must fax we must fax you must fax they must fax
Forma com V-ing
I must be faxing you must be faxing he must be faxing we must be faxing you must be faxing they must be faxing
Perfeito
I must have faxed you must have faxed he must have faxed we must have faxed you must have faxed they must have faxed
Perfeito com V-ing
I must have been faxing you must have been faxing he must have been faxing we must have been faxing you must have been faxing they must have been faxing
Negação
Forma simple
I mustn't fax you mustn't fax he mustn't fax we mustn't fax you mustn't fax they mustn't fax
Forma com V-ing
I mustn't be faxing you mustn't be faxing he mustn't be faxing we mustn't be faxing you mustn't be faxing they mustn't be faxing
Perfeito
I mustn't have faxed you mustn't have faxed he mustn't have faxed we mustn't have faxed you mustn't have faxed they mustn't have faxed
Perfeito com V-ing
I mustn't have been faxing you mustn't have been faxing he mustn't have been faxing we mustn't have been faxing you mustn't have been faxing they mustn't have been faxing
Forma interrogativa
Forma simple
must I fax? must you fax? must he fax? must we fax? must you fax? must they fax?
Forma com V-ing
must I be faxing? must you be faxing? must he be faxing? must we be faxing? must you be faxing? must they be faxing?
Perfeito
must I have faxed? must you have faxed? must he have faxed? must we have faxed? must you have faxed? must they have faxed?
Perfeito com V-ing
must I have been faxing? must you have been faxing? must he have been faxing? must we have been faxing? must you have been faxing? must they have been faxing?
Forma interro-Negação
Forma simple
mustn't I fax? mustn't you fax? mustn't he fax? mustn't we fax? mustn't you fax? mustn't they fax?
Forma com V-ing
mustn't I be faxing? mustn't you be faxing? mustn't he be faxing? mustn't we be faxing? mustn't you be faxing? mustn't they be faxing?
Perfeito
mustn't I have faxed? mustn't you have faxed? mustn't he have faxed? mustn't we have faxed? mustn't you have faxed? mustn't they have faxed?
Perfeito com V-ing
mustn't I have been faxing? mustn't you have been faxing? mustn't he have been faxing? mustn't we have been faxing? mustn't you have been faxing? mustn't they have been faxing?