I can joke you can joke he can joke we can joke you can joke they can joke
Forma con V-ing
I can be joking you can be joking he can be joking we can be joking you can be joking they can be joking
Perfecto
I can have joked you can have joked he can have joked we can have joked you can have joked they can have joked
Perfecto con V-ing
I can have been joking you can have been joking he can have been joking we can have been joking you can have been joking they can have been joking
Negación
Forma simple
I can't joke you can't joke he can't joke we can't joke you can't joke they can't joke
Forma con V-ing
I can't be joking you can't be joking he can't be joking we can't be joking you can't be joking they can't be joking
Perfecto
I can't have joked you can't have joked he can't have joked we can't have joked you can't have joked they can't have joked
Perfecto con V-ing
I can't have been joking you can't have been joking he can't have been joking we can't have been joking you can't have been joking they can't have been joking
Forma interrogativa
Forma simple
can I joke? can you joke? can he joke? can we joke? can you joke? can they joke?
Forma con V-ing
can I be joking? can you be joking? can he be joking? can we be joking? can you be joking? can they be joking?
Perfecto
can I have joked? can you have joked? can he have joked? can we have joked? can you have joked? can they have joked?
Perfecto con V-ing
can I have been joking? can you have been joking? can he have been joking? can we have been joking? can you have been joking? can they have been joking?
Forma interro-negativa
Forma simple
can't I joke? can't you joke? can't he joke? can't we joke? can't you joke? can't they joke?
Forma con V-ing
can't I be joking? can't you be joking? can't he be joking? can't we be joking? can't you be joking? can't they be joking?
Perfecto
can't I have joked? can't you have joked? can't he have joked? can't we have joked? can't you have joked? can't they have joked?
Perfecto con V-ing
can't I have been joking? can't you have been joking? can't he have been joking? can't we have been joking? can't you have been joking? can't they have been joking?