I must perceive you must perceive he must perceive we must perceive you must perceive they must perceive
Form mit V-ing
I must be perceiving you must be perceiving he must be perceiving we must be perceiving you must be perceiving they must be perceiving
Perfekt
I must have perceived you must have perceived he must have perceived we must have perceived you must have perceived they must have perceived
Perfekt mit V-ing
I must have been perceiving you must have been perceiving he must have been perceiving we must have been perceiving you must have been perceiving they must have been perceiving
Negation
Einfache Form
I mustn't perceive you mustn't perceive he mustn't perceive we mustn't perceive you mustn't perceive they mustn't perceive
Form mit V-ing
I mustn't be perceiving you mustn't be perceiving he mustn't be perceiving we mustn't be perceiving you mustn't be perceiving they mustn't be perceiving
Perfekt
I mustn't have perceived you mustn't have perceived he mustn't have perceived we mustn't have perceived you mustn't have perceived they mustn't have perceived
Perfekt mit V-ing
I mustn't have been perceiving you mustn't have been perceiving he mustn't have been perceiving we mustn't have been perceiving you mustn't have been perceiving they mustn't have been perceiving
Fragende Form
Einfache Form
must I perceive? must you perceive? must he perceive? must we perceive? must you perceive? must they perceive?
Form mit V-ing
must I be perceiving? must you be perceiving? must he be perceiving? must we be perceiving? must you be perceiving? must they be perceiving?
Perfekt
must I have perceived? must you have perceived? must he have perceived? must we have perceived? must you have perceived? must they have perceived?
Perfekt mit V-ing
must I have been perceiving? must you have been perceiving? must he have been perceiving? must we have been perceiving? must you have been perceiving? must they have been perceiving?
Fragende Negation Form
Einfache Form
mustn't I perceive? mustn't you perceive? mustn't he perceive? mustn't we perceive? mustn't you perceive? mustn't they perceive?
Form mit V-ing
mustn't I be perceiving? mustn't you be perceiving? mustn't he be perceiving? mustn't we be perceiving? mustn't you be perceiving? mustn't they be perceiving?
Perfekt
mustn't I have perceived? mustn't you have perceived? mustn't he have perceived? mustn't we have perceived? mustn't you have perceived? mustn't they have perceived?
Perfekt mit V-ing
mustn't I have been perceiving? mustn't you have been perceiving? mustn't he have been perceiving? mustn't we have been perceiving? mustn't you have been perceiving? mustn't they have been perceiving?