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