I must require you must require she must require we must require you must require they must require
Forma com V-ing
I must be requiring you must be requiring she must be requiring we must be requiring you must be requiring they must be requiring
Perfeito
I must have required you must have required she must have required we must have required you must have required they must have required
Perfeito com V-ing
I must have been requiring you must have been requiring she must have been requiring we must have been requiring you must have been requiring they must have been requiring
Negação
Forma simple
I mustn't require you mustn't require she mustn't require we mustn't require you mustn't require they mustn't require
Forma com V-ing
I mustn't be requiring you mustn't be requiring she mustn't be requiring we mustn't be requiring you mustn't be requiring they mustn't be requiring
Perfeito
I mustn't have required you mustn't have required she mustn't have required we mustn't have required you mustn't have required they mustn't have required
Perfeito com V-ing
I mustn't have been requiring you mustn't have been requiring she mustn't have been requiring we mustn't have been requiring you mustn't have been requiring they mustn't have been requiring
Forma interrogativa
Forma simple
must I require? must you require? must she require? must we require? must you require? must they require?
Forma com V-ing
must I be requiring? must you be requiring? must she be requiring? must we be requiring? must you be requiring? must they be requiring?
Perfeito
must I have required? must you have required? must she have required? must we have required? must you have required? must they have required?
Perfeito com V-ing
must I have been requiring? must you have been requiring? must she have been requiring? must we have been requiring? must you have been requiring? must they have been requiring?
Forma interro-Negação
Forma simple
mustn't I require? mustn't you require? mustn't she require? mustn't we require? mustn't you require? mustn't they require?
Forma com V-ing
mustn't I be requiring? mustn't you be requiring? mustn't she be requiring? mustn't we be requiring? mustn't you be requiring? mustn't they be requiring?
Perfeito
mustn't I have required? mustn't you have required? mustn't she have required? mustn't we have required? mustn't you have required? mustn't they have required?
Perfeito com V-ing
mustn't I have been requiring? mustn't you have been requiring? mustn't she have been requiring? mustn't we have been requiring? mustn't you have been requiring? mustn't they have been requiring?