I must lave you must lave he must lave we must lave you must lave they must lave
Forma com V-ing
I must be laving you must be laving he must be laving we must be laving you must be laving they must be laving
Perfeito
I must have laved you must have laved he must have laved we must have laved you must have laved they must have laved
Perfeito com V-ing
I must have been laving you must have been laving he must have been laving we must have been laving you must have been laving they must have been laving
Negação
Forma simple
I mustn't lave you mustn't lave he mustn't lave we mustn't lave you mustn't lave they mustn't lave
Forma com V-ing
I mustn't be laving you mustn't be laving he mustn't be laving we mustn't be laving you mustn't be laving they mustn't be laving
Perfeito
I mustn't have laved you mustn't have laved he mustn't have laved we mustn't have laved you mustn't have laved they mustn't have laved
Perfeito com V-ing
I mustn't have been laving you mustn't have been laving he mustn't have been laving we mustn't have been laving you mustn't have been laving they mustn't have been laving
Forma interrogativa
Forma simple
must I lave? must you lave? must he lave? must we lave? must you lave? must they lave?
Forma com V-ing
must I be laving? must you be laving? must he be laving? must we be laving? must you be laving? must they be laving?
Perfeito
must I have laved? must you have laved? must he have laved? must we have laved? must you have laved? must they have laved?
Perfeito com V-ing
must I have been laving? must you have been laving? must he have been laving? must we have been laving? must you have been laving? must they have been laving?
Forma interro-Negação
Forma simple
mustn't I lave? mustn't you lave? mustn't he lave? mustn't we lave? mustn't you lave? mustn't they lave?
Forma com V-ing
mustn't I be laving? mustn't you be laving? mustn't he be laving? mustn't we be laving? mustn't you be laving? mustn't they be laving?
Perfeito
mustn't I have laved? mustn't you have laved? mustn't he have laved? mustn't we have laved? mustn't you have laved? mustn't they have laved?
Perfeito com V-ing
mustn't I have been laving? mustn't you have been laving? mustn't he have been laving? mustn't we have been laving? mustn't you have been laving? mustn't they have been laving?