I can prefer you can prefer he can prefer we can prefer you can prefer they can prefer
Forma com V-ing
I can be preferring you can be preferring he can be preferring we can be preferring you can be preferring they can be preferring
Perfeito
I can have preferred you can have preferred he can have preferred we can have preferred you can have preferred they can have preferred
Perfeito com V-ing
I can have been preferring you can have been preferring he can have been preferring we can have been preferring you can have been preferring they can have been preferring
Negação
Forma simple
I can't prefer you can't prefer he can't prefer we can't prefer you can't prefer they can't prefer
Forma com V-ing
I can't be preferring you can't be preferring he can't be preferring we can't be preferring you can't be preferring they can't be preferring
Perfeito
I can't have preferred you can't have preferred he can't have preferred we can't have preferred you can't have preferred they can't have preferred
Perfeito com V-ing
I can't have been preferring you can't have been preferring he can't have been preferring we can't have been preferring you can't have been preferring they can't have been preferring
Forma interrogativa
Forma simple
can I prefer? can you prefer? can he prefer? can we prefer? can you prefer? can they prefer?
Forma com V-ing
can I be preferring? can you be preferring? can he be preferring? can we be preferring? can you be preferring? can they be preferring?
Perfeito
can I have preferred? can you have preferred? can he have preferred? can we have preferred? can you have preferred? can they have preferred?
Perfeito com V-ing
can I have been preferring? can you have been preferring? can he have been preferring? can we have been preferring? can you have been preferring? can they have been preferring?
Forma interro-Negação
Forma simple
can't I prefer? can't you prefer? can't he prefer? can't we prefer? can't you prefer? can't they prefer?
Forma com V-ing
can't I be preferring? can't you be preferring? can't he be preferring? can't we be preferring? can't you be preferring? can't they be preferring?
Perfeito
can't I have preferred? can't you have preferred? can't he have preferred? can't we have preferred? can't you have preferred? can't they have preferred?
Perfeito com V-ing
can't I have been preferring? can't you have been preferring? can't he have been preferring? can't we have been preferring? can't you have been preferring? can't they have been preferring?