Conjugação do verbo inglês
CAN PEN

Verbo regular: pen - penned - penned

Afirmação

Forma simple	Forma com V-ing
I can pen you can pen she can pen we can pen you can pen they can pen	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	Perfeito com V-ing
I can have penned you can have penned she can have penned we can have penned you can have penned they can have penned	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	Forma com V-ing
I cannot pen you cannot pen she cannot pen we cannot pen you cannot pen they cannot pen	I cannot be penning you cannot be penning she cannot be penning we cannot be penning you cannot be penning they cannot be penning
Perfeito	Perfeito com V-ing
I cannot have penned you cannot have penned she cannot have penned we cannot have penned you cannot have penned they cannot have penned	I cannot have been penning you cannot have been penning she cannot have been penning we cannot have been penning you cannot have been penning they cannot have been penning

Forma interrogativa

Forma simple	Forma com V-ing
can I pen? can you pen? can she pen? can we pen? can you pen? can they pen?	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	Perfeito com V-ing
can I have penned? can you have penned? can she have penned? can we have penned? can you have penned? can they have penned?	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	Forma com V-ing
can I not pen? can you not pen? can she not pen? can we not pen? can you not pen? can they not pen?	can I not be penning? can you not be penning? can she not be penning? can we not be penning? can you not be penning? can they not be penning?
Perfeito	Perfeito com V-ing
can I not have penned? can you not have penned? can she not have penned? can we not have penned? can you not have penned? can they not have penned?	can I not have been penning? can you not have been penning? can she not have been penning? can we not have been penning? can you not have been penning? can they not have been penning?