I can frock you can frock he can frock we can frock you can frock they can frock
Forma com V-ing
I can be frocking you can be frocking he can be frocking we can be frocking you can be frocking they can be frocking
Perfeito
I can have frocked you can have frocked he can have frocked we can have frocked you can have frocked they can have frocked
Perfeito com V-ing
I can have been frocking you can have been frocking he can have been frocking we can have been frocking you can have been frocking they can have been frocking
Negação
Forma simple
I can't frock you can't frock he can't frock we can't frock you can't frock they can't frock
Forma com V-ing
I can't be frocking you can't be frocking he can't be frocking we can't be frocking you can't be frocking they can't be frocking
Perfeito
I can't have frocked you can't have frocked he can't have frocked we can't have frocked you can't have frocked they can't have frocked
Perfeito com V-ing
I can't have been frocking you can't have been frocking he can't have been frocking we can't have been frocking you can't have been frocking they can't have been frocking
Forma interrogativa
Forma simple
can I frock? can you frock? can he frock? can we frock? can you frock? can they frock?
Forma com V-ing
can I be frocking? can you be frocking? can he be frocking? can we be frocking? can you be frocking? can they be frocking?
Perfeito
can I have frocked? can you have frocked? can he have frocked? can we have frocked? can you have frocked? can they have frocked?
Perfeito com V-ing
can I have been frocking? can you have been frocking? can he have been frocking? can we have been frocking? can you have been frocking? can they have been frocking?
Forma interro-Negação
Forma simple
can't I frock? can't you frock? can't he frock? can't we frock? can't you frock? can't they frock?
Forma com V-ing
can't I be frocking? can't you be frocking? can't he be frocking? can't we be frocking? can't you be frocking? can't they be frocking?
Perfeito
can't I have frocked? can't you have frocked? can't he have frocked? can't we have frocked? can't you have frocked? can't they have frocked?
Perfeito com V-ing
can't I have been frocking? can't you have been frocking? can't he have been frocking? can't we have been frocking? can't you have been frocking? can't they have been frocking?