I can petition you can petition he can petition we can petition you can petition they can petition
Forma com V-ing
I can be petitioning you can be petitioning he can be petitioning we can be petitioning you can be petitioning they can be petitioning
Perfeito
I can have petitioned you can have petitioned he can have petitioned we can have petitioned you can have petitioned they can have petitioned
Perfeito com V-ing
I can have been petitioning you can have been petitioning he can have been petitioning we can have been petitioning you can have been petitioning they can have been petitioning
Negação
Forma simple
I cannot petition you cannot petition he cannot petition we cannot petition you cannot petition they cannot petition
Forma com V-ing
I cannot be petitioning you cannot be petitioning he cannot be petitioning we cannot be petitioning you cannot be petitioning they cannot be petitioning
Perfeito
I cannot have petitioned you cannot have petitioned he cannot have petitioned we cannot have petitioned you cannot have petitioned they cannot have petitioned
Perfeito com V-ing
I cannot have been petitioning you cannot have been petitioning he cannot have been petitioning we cannot have been petitioning you cannot have been petitioning they cannot have been petitioning
Forma interrogativa
Forma simple
can I petition? can you petition? can he petition? can we petition? can you petition? can they petition?
Forma com V-ing
can I be petitioning? can you be petitioning? can he be petitioning? can we be petitioning? can you be petitioning? can they be petitioning?
Perfeito
can I have petitioned? can you have petitioned? can he have petitioned? can we have petitioned? can you have petitioned? can they have petitioned?
Perfeito com V-ing
can I have been petitioning? can you have been petitioning? can he have been petitioning? can we have been petitioning? can you have been petitioning? can they have been petitioning?
Forma interro-Negação
Forma simple
can I not petition? can you not petition? can he not petition? can we not petition? can you not petition? can they not petition?
Forma com V-ing
can I not be petitioning? can you not be petitioning? can he not be petitioning? can we not be petitioning? can you not be petitioning? can they not be petitioning?
Perfeito
can I not have petitioned? can you not have petitioned? can he not have petitioned? can we not have petitioned? can you not have petitioned? can they not have petitioned?
Perfeito com V-ing
can I not have been petitioning? can you not have been petitioning? can he not have been petitioning? can we not have been petitioning? can you not have been petitioning? can they not have been petitioning?