I must ensure you must ensure she must ensure we must ensure you must ensure they must ensure
Forma com V-ing
I must be ensuring you must be ensuring she must be ensuring we must be ensuring you must be ensuring they must be ensuring
Perfeito
I must have ensured you must have ensured she must have ensured we must have ensured you must have ensured they must have ensured
Perfeito com V-ing
I must have been ensuring you must have been ensuring she must have been ensuring we must have been ensuring you must have been ensuring they must have been ensuring
Negação
Forma simple
I mustn't ensure you mustn't ensure she mustn't ensure we mustn't ensure you mustn't ensure they mustn't ensure
Forma com V-ing
I mustn't be ensuring you mustn't be ensuring she mustn't be ensuring we mustn't be ensuring you mustn't be ensuring they mustn't be ensuring
Perfeito
I mustn't have ensured you mustn't have ensured she mustn't have ensured we mustn't have ensured you mustn't have ensured they mustn't have ensured
Perfeito com V-ing
I mustn't have been ensuring you mustn't have been ensuring she mustn't have been ensuring we mustn't have been ensuring you mustn't have been ensuring they mustn't have been ensuring
Forma interrogativa
Forma simple
must I ensure? must you ensure? must she ensure? must we ensure? must you ensure? must they ensure?
Forma com V-ing
must I be ensuring? must you be ensuring? must she be ensuring? must we be ensuring? must you be ensuring? must they be ensuring?
Perfeito
must I have ensured? must you have ensured? must she have ensured? must we have ensured? must you have ensured? must they have ensured?
Perfeito com V-ing
must I have been ensuring? must you have been ensuring? must she have been ensuring? must we have been ensuring? must you have been ensuring? must they have been ensuring?
Forma interro-Negação
Forma simple
mustn't I ensure? mustn't you ensure? mustn't she ensure? mustn't we ensure? mustn't you ensure? mustn't they ensure?
Forma com V-ing
mustn't I be ensuring? mustn't you be ensuring? mustn't she be ensuring? mustn't we be ensuring? mustn't you be ensuring? mustn't they be ensuring?
Perfeito
mustn't I have ensured? mustn't you have ensured? mustn't she have ensured? mustn't we have ensured? mustn't you have ensured? mustn't they have ensured?
Perfeito com V-ing
mustn't I have been ensuring? mustn't you have been ensuring? mustn't she have been ensuring? mustn't we have been ensuring? mustn't you have been ensuring? mustn't they have been ensuring?