I must sag you must sag he must sag we must sag you must sag they must sag
Forma com V-ing
I must be sagging you must be sagging he must be sagging we must be sagging you must be sagging they must be sagging
Perfeito
I must have sagged you must have sagged he must have sagged we must have sagged you must have sagged they must have sagged
Perfeito com V-ing
I must have been sagging you must have been sagging he must have been sagging we must have been sagging you must have been sagging they must have been sagging
Negação
Forma simple
I mustn't sag you mustn't sag he mustn't sag we mustn't sag you mustn't sag they mustn't sag
Forma com V-ing
I mustn't be sagging you mustn't be sagging he mustn't be sagging we mustn't be sagging you mustn't be sagging they mustn't be sagging
Perfeito
I mustn't have sagged you mustn't have sagged he mustn't have sagged we mustn't have sagged you mustn't have sagged they mustn't have sagged
Perfeito com V-ing
I mustn't have been sagging you mustn't have been sagging he mustn't have been sagging we mustn't have been sagging you mustn't have been sagging they mustn't have been sagging
Forma interrogativa
Forma simple
must I sag? must you sag? must he sag? must we sag? must you sag? must they sag?
Forma com V-ing
must I be sagging? must you be sagging? must he be sagging? must we be sagging? must you be sagging? must they be sagging?
Perfeito
must I have sagged? must you have sagged? must he have sagged? must we have sagged? must you have sagged? must they have sagged?
Perfeito com V-ing
must I have been sagging? must you have been sagging? must he have been sagging? must we have been sagging? must you have been sagging? must they have been sagging?
Forma interro-Negação
Forma simple
mustn't I sag? mustn't you sag? mustn't he sag? mustn't we sag? mustn't you sag? mustn't they sag?
Forma com V-ing
mustn't I be sagging? mustn't you be sagging? mustn't he be sagging? mustn't we be sagging? mustn't you be sagging? mustn't they be sagging?
Perfeito
mustn't I have sagged? mustn't you have sagged? mustn't he have sagged? mustn't we have sagged? mustn't you have sagged? mustn't they have sagged?
Perfeito com V-ing
mustn't I have been sagging? mustn't you have been sagging? mustn't he have been sagging? mustn't we have been sagging? mustn't you have been sagging? mustn't they have been sagging?