I can flap you can flap he can flap we can flap you can flap they can flap
Forma com 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
Perfeito
I can have flapped you can have flapped he can have flapped we can have flapped you can have flapped they can have flapped
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have flapped? can you have flapped? can he have flapped? can we have flapped? can you have flapped? can they have flapped?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?