could commission
Verbo regular: commission - commissioned- commissioned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could commission
you could commission
he could commission
we could commission
you could commission
they could commission 	I could be commissioning
you could be commissioning
he could be commissioning
we could be commissioning
you could be commissioning
they could be commissioning	I could have commissioned
you could have commissioned
he could have commissioned
we could have commissioned
you could have commissioned
they could have commissioned	I could have been commissioning
you could have been commissioning
he could have been commissioning
we could have been commissioning
you could have been commissioning
they could have been commissioning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not commission
you could not commission
he could not commission
we could not commission
you could not commission
they could not commission 	I could not be commissioning
you could not be commissioning
he could not be commissioning
we could not be commissioning
you could not be commissioning
they could not be commissioning	I could not have commissioned
you could not have commissioned
he could not have commissioned
we could not have commissioned
you could not have commissioned
they could not have commissioned	I could not have been commissioning
you could not have been commissioning
he could not have been commissioning
we could not have been commissioning
you could not have been commissioning
they could not have been commissioning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I commission?
could you commission?
could he commission?
could we commission?
could you commission?
could they commission? 	could I be commissioning?
could you be commissioning?
could he be commissioning?
could we be commissioning?
could you be commissioning?
could they be commissioning? 	could I have commissioned?
could you have commissioned?
could he have commissioned?
could we have commissioned?
could you have commissioned?
could they have commissioned? 	could I have been commissioning?
could you have been commissioning?
could he have been commissioning?
could we have been commissioning?
could you have been commissioning?
could they have been commissioning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not commission?
could you not commission?
could he not commission?
could we not commission?
could you not commission?
could they not commission? 	could I not be commissioning?
could you not be commissioning?
could he not be commissioning?
could we not be commissioning?
could you not be commissioning?
could they not be commissioning? 	could I not have commissioned?
could you not have commissioned?
could he not have commissioned?
could we not have commissioned?
could you not have commissioned?
could they not have commissioned? 	could I not have been commissioning?
could you not have been commissioning?
could he not have been commissioning?
could we not have been commissioning?
could you not have been commissioning?
could they not have been commissioning?