I must group you must group she must group we must group you must group they must group
Forma com V-ing
I must be grouping you must be grouping she must be grouping we must be grouping you must be grouping they must be grouping
Perfeito
I must have grouped you must have grouped she must have grouped we must have grouped you must have grouped they must have grouped
Perfeito com V-ing
I must have been grouping you must have been grouping she must have been grouping we must have been grouping you must have been grouping they must have been grouping
Negação
Forma simple
I mustn't group you mustn't group she mustn't group we mustn't group you mustn't group they mustn't group
Forma com V-ing
I mustn't be grouping you mustn't be grouping she mustn't be grouping we mustn't be grouping you mustn't be grouping they mustn't be grouping
Perfeito
I mustn't have grouped you mustn't have grouped she mustn't have grouped we mustn't have grouped you mustn't have grouped they mustn't have grouped
Perfeito com V-ing
I mustn't have been grouping you mustn't have been grouping she mustn't have been grouping we mustn't have been grouping you mustn't have been grouping they mustn't have been grouping
Forma interrogativa
Forma simple
must I group? must you group? must she group? must we group? must you group? must they group?
Forma com V-ing
must I be grouping? must you be grouping? must she be grouping? must we be grouping? must you be grouping? must they be grouping?
Perfeito
must I have grouped? must you have grouped? must she have grouped? must we have grouped? must you have grouped? must they have grouped?
Perfeito com V-ing
must I have been grouping? must you have been grouping? must she have been grouping? must we have been grouping? must you have been grouping? must they have been grouping?
Forma interro-Negação
Forma simple
mustn't I group? mustn't you group? mustn't she group? mustn't we group? mustn't you group? mustn't they group?
Forma com V-ing
mustn't I be grouping? mustn't you be grouping? mustn't she be grouping? mustn't we be grouping? mustn't you be grouping? mustn't they be grouping?
Perfeito
mustn't I have grouped? mustn't you have grouped? mustn't she have grouped? mustn't we have grouped? mustn't you have grouped? mustn't they have grouped?
Perfeito com V-ing
mustn't I have been grouping? mustn't you have been grouping? mustn't she have been grouping? mustn't we have been grouping? mustn't you have been grouping? mustn't they have been grouping?