should precontract
Verbo regular: precontract - precontracted- precontracted

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

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

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

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