I can prefix you can prefix he can prefix we can prefix you can prefix they can prefix
Forma con V-ing
I can be prefixing you can be prefixing he can be prefixing we can be prefixing you can be prefixing they can be prefixing
Perfecto
I can have prefixed you can have prefixed he can have prefixed we can have prefixed you can have prefixed they can have prefixed
Perfecto con V-ing
I can have been prefixing you can have been prefixing he can have been prefixing we can have been prefixing you can have been prefixing they can have been prefixing
Negación
Forma simple
I can't prefix you can't prefix he can't prefix we can't prefix you can't prefix they can't prefix
Forma con V-ing
I can't be prefixing you can't be prefixing he can't be prefixing we can't be prefixing you can't be prefixing they can't be prefixing
Perfecto
I can't have prefixed you can't have prefixed he can't have prefixed we can't have prefixed you can't have prefixed they can't have prefixed
Perfecto con V-ing
I can't have been prefixing you can't have been prefixing he can't have been prefixing we can't have been prefixing you can't have been prefixing they can't have been prefixing
Forma interrogativa
Forma simple
can I prefix? can you prefix? can he prefix? can we prefix? can you prefix? can they prefix?
Forma con V-ing
can I be prefixing? can you be prefixing? can he be prefixing? can we be prefixing? can you be prefixing? can they be prefixing?
Perfecto
can I have prefixed? can you have prefixed? can he have prefixed? can we have prefixed? can you have prefixed? can they have prefixed?
Perfecto con V-ing
can I have been prefixing? can you have been prefixing? can he have been prefixing? can we have been prefixing? can you have been prefixing? can they have been prefixing?
Forma interro-negativa
Forma simple
can't I prefix? can't you prefix? can't he prefix? can't we prefix? can't you prefix? can't they prefix?
Forma con V-ing
can't I be prefixing? can't you be prefixing? can't he be prefixing? can't we be prefixing? can't you be prefixing? can't they be prefixing?
Perfecto
can't I have prefixed? can't you have prefixed? can't he have prefixed? can't we have prefixed? can't you have prefixed? can't they have prefixed?
Perfecto con V-ing
can't I have been prefixing? can't you have been prefixing? can't he have been prefixing? can't we have been prefixing? can't you have been prefixing? can't they have been prefixing?