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 must not group you must not group she must not group we must not group you must not group they must not group
Forma com V-ing
I must not be grouping you must not be grouping she must not be grouping we must not be grouping you must not be grouping they must not be grouping
Perfeito
I must not have grouped you must not have grouped she must not have grouped we must not have grouped you must not have grouped they must not have grouped
Perfeito com V-ing
I must not have been grouping you must not have been grouping she must not have been grouping we must not have been grouping you must not have been grouping they must not 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
must I not group? must you not group? must she not group? must we not group? must you not group? must they not group?
Forma com V-ing
must I not be grouping? must you not be grouping? must she not be grouping? must we not be grouping? must you not be grouping? must they not be grouping?
Perfeito
must I not have grouped? must you not have grouped? must she not have grouped? must we not have grouped? must you not have grouped? must they not have grouped?
Perfeito com V-ing
must I not have been grouping? must you not have been grouping? must she not have been grouping? must we not have been grouping? must you not have been grouping? must they not have been grouping?