I must mix you must mix he must mix we must mix you must mix they must mix
Forma com V-ing
I must be mixing you must be mixing he must be mixing we must be mixing you must be mixing they must be mixing
Perfeito
I must have mixed you must have mixed he must have mixed we must have mixed you must have mixed they must have mixed
Perfeito com V-ing
I must have been mixing you must have been mixing he must have been mixing we must have been mixing you must have been mixing they must have been mixing
Negação
Forma simple
I mustn't mix you mustn't mix he mustn't mix we mustn't mix you mustn't mix they mustn't mix
Forma com V-ing
I mustn't be mixing you mustn't be mixing he mustn't be mixing we mustn't be mixing you mustn't be mixing they mustn't be mixing
Perfeito
I mustn't have mixed you mustn't have mixed he mustn't have mixed we mustn't have mixed you mustn't have mixed they mustn't have mixed
Perfeito com V-ing
I mustn't have been mixing you mustn't have been mixing he mustn't have been mixing we mustn't have been mixing you mustn't have been mixing they mustn't have been mixing
Forma interrogativa
Forma simple
must I mix? must you mix? must he mix? must we mix? must you mix? must they mix?
Forma com V-ing
must I be mixing? must you be mixing? must he be mixing? must we be mixing? must you be mixing? must they be mixing?
Perfeito
must I have mixed? must you have mixed? must he have mixed? must we have mixed? must you have mixed? must they have mixed?
Perfeito com V-ing
must I have been mixing? must you have been mixing? must he have been mixing? must we have been mixing? must you have been mixing? must they have been mixing?
Forma interro-Negação
Forma simple
mustn't I mix? mustn't you mix? mustn't he mix? mustn't we mix? mustn't you mix? mustn't they mix?
Forma com V-ing
mustn't I be mixing? mustn't you be mixing? mustn't he be mixing? mustn't we be mixing? mustn't you be mixing? mustn't they be mixing?
Perfeito
mustn't I have mixed? mustn't you have mixed? mustn't he have mixed? mustn't we have mixed? mustn't you have mixed? mustn't they have mixed?
Perfeito com V-ing
mustn't I have been mixing? mustn't you have been mixing? mustn't he have been mixing? mustn't we have been mixing? mustn't you have been mixing? mustn't they have been mixing?