could precontract
Verbo regular: precontract - precontracted- precontracted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could precontract
you could precontract
he could precontract
we could precontract
you could precontract
they could precontract 	I could be precontracting
you could be precontracting
he could be precontracting
we could be precontracting
you could be precontracting
they could be precontracting	I could have precontracted
you could have precontracted
he could have precontracted
we could have precontracted
you could have precontracted
they could have precontracted	I could have been precontracting
you could have been precontracting
he could have been precontracting
we could have been precontracting
you could have been precontracting
they could have been precontracting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not precontract
you could not precontract
he could not precontract
we could not precontract
you could not precontract
they could not precontract 	I could not be precontracting
you could not be precontracting
he could not be precontracting
we could not be precontracting
you could not be precontracting
they could not be precontracting	I could not have precontracted
you could not have precontracted
he could not have precontracted
we could not have precontracted
you could not have precontracted
they could not have precontracted	I could not have been precontracting
you could not have been precontracting
he could not have been precontracting
we could not have been precontracting
you could not have been precontracting
they could not have been precontracting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I precontract?
could you precontract?
could he precontract?
could we precontract?
could you precontract?
could they precontract? 	could I be precontracting?
could you be precontracting?
could he be precontracting?
could we be precontracting?
could you be precontracting?
could they be precontracting? 	could I have precontracted?
could you have precontracted?
could he have precontracted?
could we have precontracted?
could you have precontracted?
could they have precontracted? 	could I have been precontracting?
could you have been precontracting?
could he have been precontracting?
could we have been precontracting?
could you have been precontracting?
could they have been precontracting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not precontract?
could you not precontract?
could he not precontract?
could we not precontract?
could you not precontract?
could they not precontract? 	could I not be precontracting?
could you not be precontracting?
could he not be precontracting?
could we not be precontracting?
could you not be precontracting?
could they not be precontracting? 	could I not have precontracted?
could you not have precontracted?
could he not have precontracted?
could we not have precontracted?
could you not have precontracted?
could they not have precontracted? 	could I not have been precontracting?
could you not have been precontracting?
could he not have been precontracting?
could we not have been precontracting?
could you not have been precontracting?
could they not have been precontracting?