I must cram you must cram she must cram we must cram you must cram they must cram
Forma com V-ing
I must be cramming you must be cramming she must be cramming we must be cramming you must be cramming they must be cramming
Perfeito
I must have crammed you must have crammed she must have crammed we must have crammed you must have crammed they must have crammed
Perfeito com V-ing
I must have been cramming you must have been cramming she must have been cramming we must have been cramming you must have been cramming they must have been cramming
Negação
Forma simple
I mustn't cram you mustn't cram she mustn't cram we mustn't cram you mustn't cram they mustn't cram
Forma com V-ing
I mustn't be cramming you mustn't be cramming she mustn't be cramming we mustn't be cramming you mustn't be cramming they mustn't be cramming
Perfeito
I mustn't have crammed you mustn't have crammed she mustn't have crammed we mustn't have crammed you mustn't have crammed they mustn't have crammed
Perfeito com V-ing
I mustn't have been cramming you mustn't have been cramming she mustn't have been cramming we mustn't have been cramming you mustn't have been cramming they mustn't have been cramming
Forma interrogativa
Forma simple
must I cram? must you cram? must she cram? must we cram? must you cram? must they cram?
Forma com V-ing
must I be cramming? must you be cramming? must she be cramming? must we be cramming? must you be cramming? must they be cramming?
Perfeito
must I have crammed? must you have crammed? must she have crammed? must we have crammed? must you have crammed? must they have crammed?
Perfeito com V-ing
must I have been cramming? must you have been cramming? must she have been cramming? must we have been cramming? must you have been cramming? must they have been cramming?
Forma interro-Negação
Forma simple
mustn't I cram? mustn't you cram? mustn't she cram? mustn't we cram? mustn't you cram? mustn't they cram?
Forma com V-ing
mustn't I be cramming? mustn't you be cramming? mustn't she be cramming? mustn't we be cramming? mustn't you be cramming? mustn't they be cramming?
Perfeito
mustn't I have crammed? mustn't you have crammed? mustn't she have crammed? mustn't we have crammed? mustn't you have crammed? mustn't they have crammed?
Perfeito com V-ing
mustn't I have been cramming? mustn't you have been cramming? mustn't she have been cramming? mustn't we have been cramming? mustn't you have been cramming? mustn't they have been cramming?