could petition
Verbo regolare: petition - petitioned- petitioned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could petition
you could petition
he could petition
we could petition
you could petition
they could petition 	I could be petitioning
you could be petitioning
he could be petitioning
we could be petitioning
you could be petitioning
they could be petitioning	I could have petitioned
you could have petitioned
he could have petitioned
we could have petitioned
you could have petitioned
they could have petitioned	I could have been petitioning
you could have been petitioning
he could have been petitioning
we could have been petitioning
you could have been petitioning
they could have been petitioning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not petition
you could not petition
he could not petition
we could not petition
you could not petition
they could not petition 	I could not be petitioning
you could not be petitioning
he could not be petitioning
we could not be petitioning
you could not be petitioning
they could not be petitioning	I could not have petitioned
you could not have petitioned
he could not have petitioned
we could not have petitioned
you could not have petitioned
they could not have petitioned	I could not have been petitioning
you could not have been petitioning
he could not have been petitioning
we could not have been petitioning
you could not have been petitioning
they could not have been petitioning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I petition?
could you petition?
could he petition?
could we petition?
could you petition?
could they petition? 	could I be petitioning?
could you be petitioning?
could he be petitioning?
could we be petitioning?
could you be petitioning?
could they be petitioning? 	could I have petitioned?
could you have petitioned?
could he have petitioned?
could we have petitioned?
could you have petitioned?
could they have petitioned? 	could I have been petitioning?
could you have been petitioning?
could he have been petitioning?
could we have been petitioning?
could you have been petitioning?
could they have been petitioning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not petition?
could you not petition?
could he not petition?
could we not petition?
could you not petition?
could they not petition? 	could I not be petitioning?
could you not be petitioning?
could he not be petitioning?
could we not be petitioning?
could you not be petitioning?
could they not be petitioning? 	could I not have petitioned?
could you not have petitioned?
could he not have petitioned?
could we not have petitioned?
could you not have petitioned?
could they not have petitioned? 	could I not have been petitioning?
could you not have been petitioning?
could he not have been petitioning?
could we not have been petitioning?
could you not have been petitioning?
could they not have been petitioning?