I must notice you must notice he must notice we must notice you must notice they must notice
Forma com V-ing
I must be noticing you must be noticing he must be noticing we must be noticing you must be noticing they must be noticing
Perfeito
I must have noticed you must have noticed he must have noticed we must have noticed you must have noticed they must have noticed
Perfeito com V-ing
I must have been noticing you must have been noticing he must have been noticing we must have been noticing you must have been noticing they must have been noticing
Negação
Forma simple
I mustn't notice you mustn't notice he mustn't notice we mustn't notice you mustn't notice they mustn't notice
Forma com V-ing
I mustn't be noticing you mustn't be noticing he mustn't be noticing we mustn't be noticing you mustn't be noticing they mustn't be noticing
Perfeito
I mustn't have noticed you mustn't have noticed he mustn't have noticed we mustn't have noticed you mustn't have noticed they mustn't have noticed
Perfeito com V-ing
I mustn't have been noticing you mustn't have been noticing he mustn't have been noticing we mustn't have been noticing you mustn't have been noticing they mustn't have been noticing
Forma interrogativa
Forma simple
must I notice? must you notice? must he notice? must we notice? must you notice? must they notice?
Forma com V-ing
must I be noticing? must you be noticing? must he be noticing? must we be noticing? must you be noticing? must they be noticing?
Perfeito
must I have noticed? must you have noticed? must he have noticed? must we have noticed? must you have noticed? must they have noticed?
Perfeito com V-ing
must I have been noticing? must you have been noticing? must he have been noticing? must we have been noticing? must you have been noticing? must they have been noticing?
Forma interro-Negação
Forma simple
mustn't I notice? mustn't you notice? mustn't he notice? mustn't we notice? mustn't you notice? mustn't they notice?
Forma com V-ing
mustn't I be noticing? mustn't you be noticing? mustn't he be noticing? mustn't we be noticing? mustn't you be noticing? mustn't they be noticing?
Perfeito
mustn't I have noticed? mustn't you have noticed? mustn't he have noticed? mustn't we have noticed? mustn't you have noticed? mustn't they have noticed?
Perfeito com V-ing
mustn't I have been noticing? mustn't you have been noticing? mustn't he have been noticing? mustn't we have been noticing? mustn't you have been noticing? mustn't they have been noticing?