I can flap you can flap he can flap we can flap you can flap they can flap
Forma con V-ing
I can be flapping you can be flapping he can be flapping we can be flapping you can be flapping they can be flapping
Perfecto
I can have flapped you can have flapped he can have flapped we can have flapped you can have flapped they can have flapped
Perfecto con V-ing
I can have been flapping you can have been flapping he can have been flapping we can have been flapping you can have been flapping they can have been flapping
Negación
Forma simple
I can't flap you can't flap he can't flap we can't flap you can't flap they can't flap
Forma con V-ing
I can't be flapping you can't be flapping he can't be flapping we can't be flapping you can't be flapping they can't be flapping
Perfecto
I can't have flapped you can't have flapped he can't have flapped we can't have flapped you can't have flapped they can't have flapped
Perfecto con V-ing
I can't have been flapping you can't have been flapping he can't have been flapping we can't have been flapping you can't have been flapping they can't have been flapping
Forma interrogativa
Forma simple
can I flap? can you flap? can he flap? can we flap? can you flap? can they flap?
Forma con V-ing
can I be flapping? can you be flapping? can he be flapping? can we be flapping? can you be flapping? can they be flapping?
Perfecto
can I have flapped? can you have flapped? can he have flapped? can we have flapped? can you have flapped? can they have flapped?
Perfecto con V-ing
can I have been flapping? can you have been flapping? can he have been flapping? can we have been flapping? can you have been flapping? can they have been flapping?
Forma interro-negativa
Forma simple
can't I flap? can't you flap? can't he flap? can't we flap? can't you flap? can't they flap?
Forma con V-ing
can't I be flapping? can't you be flapping? can't he be flapping? can't we be flapping? can't you be flapping? can't they be flapping?
Perfecto
can't I have flapped? can't you have flapped? can't he have flapped? can't we have flapped? can't you have flapped? can't they have flapped?
Perfecto con V-ing
can't I have been flapping? can't you have been flapping? can't he have been flapping? can't we have been flapping? can't you have been flapping? can't they have been flapping?