I can pen you can pen she can pen we can pen you can pen they can pen
Forma com V-ing
I can be penning you can be penning she can be penning we can be penning you can be penning they can be penning
Perfeito
I can have penned you can have penned she can have penned we can have penned you can have penned they can have penned
Perfeito com V-ing
I can have been penning you can have been penning she can have been penning we can have been penning you can have been penning they can have been penning
Negação
Forma simple
I can't pen you can't pen she can't pen we can't pen you can't pen they can't pen
Forma com V-ing
I can't be penning you can't be penning she can't be penning we can't be penning you can't be penning they can't be penning
Perfeito
I can't have penned you can't have penned she can't have penned we can't have penned you can't have penned they can't have penned
Perfeito com V-ing
I can't have been penning you can't have been penning she can't have been penning we can't have been penning you can't have been penning they can't have been penning
Forma interrogativa
Forma simple
can I pen? can you pen? can she pen? can we pen? can you pen? can they pen?
Forma com V-ing
can I be penning? can you be penning? can she be penning? can we be penning? can you be penning? can they be penning?
Perfeito
can I have penned? can you have penned? can she have penned? can we have penned? can you have penned? can they have penned?
Perfeito com V-ing
can I have been penning? can you have been penning? can she have been penning? can we have been penning? can you have been penning? can they have been penning?
Forma interro-Negação
Forma simple
can't I pen? can't you pen? can't she pen? can't we pen? can't you pen? can't they pen?
Forma com V-ing
can't I be penning? can't you be penning? can't she be penning? can't we be penning? can't you be penning? can't they be penning?
Perfeito
can't I have penned? can't you have penned? can't she have penned? can't we have penned? can't you have penned? can't they have penned?
Perfeito com V-ing
can't I have been penning? can't you have been penning? can't she have been penning? can't we have been penning? can't you have been penning? can't they have been penning?