I can prefer you can prefer he can prefer we can prefer you can prefer they can prefer
Forma con 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
Perfecto
I can have preferred you can have preferred he can have preferred we can have preferred you can have preferred they can have preferred
Perfecto con 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
Negación
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 con 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
Perfecto
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
Perfecto con 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 con 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?
Perfecto
can I have preferred? can you have preferred? can he have preferred? can we have preferred? can you have preferred? can they have preferred?
Perfecto con 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-negativa
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 con 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?
Perfecto
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?
Perfecto con 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?