I can group you can group he can group we can group you can group they can group
Forma com V-ing
I can be grouping you can be grouping he can be grouping we can be grouping you can be grouping they can be grouping
Perfeito
I can have grouped you can have grouped he can have grouped we can have grouped you can have grouped they can have grouped
Perfeito com V-ing
I can have been grouping you can have been grouping he can have been grouping we can have been grouping you can have been grouping they can have been grouping
Negação
Forma simple
I cannot group you cannot group he cannot group we cannot group you cannot group they cannot group
Forma com V-ing
I cannot be grouping you cannot be grouping he cannot be grouping we cannot be grouping you cannot be grouping they cannot be grouping
Perfeito
I cannot have grouped you cannot have grouped he cannot have grouped we cannot have grouped you cannot have grouped they cannot have grouped
Perfeito com V-ing
I cannot have been grouping you cannot have been grouping he cannot have been grouping we cannot have been grouping you cannot have been grouping they cannot have been grouping
Forma interrogativa
Forma simple
can I group? can you group? can he group? can we group? can you group? can they group?
Forma com V-ing
can I be grouping? can you be grouping? can he be grouping? can we be grouping? can you be grouping? can they be grouping?
Perfeito
can I have grouped? can you have grouped? can he have grouped? can we have grouped? can you have grouped? can they have grouped?
Perfeito com V-ing
can I have been grouping? can you have been grouping? can he have been grouping? can we have been grouping? can you have been grouping? can they have been grouping?
Forma interro-Negação
Forma simple
can I not group? can you not group? can he not group? can we not group? can you not group? can they not group?
Forma com V-ing
can I not be grouping? can you not be grouping? can he not be grouping? can we not be grouping? can you not be grouping? can they not be grouping?
Perfeito
can I not have grouped? can you not have grouped? can he not have grouped? can we not have grouped? can you not have grouped? can they not have grouped?
Perfeito com V-ing
can I not have been grouping? can you not have been grouping? can he not have been grouping? can we not have been grouping? can you not have been grouping? can they not have been grouping?