should retract
Verbo regular: retract - retracted- retracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should retract
you should retract
she should retract
we should retract
you should retract
they should retract 	I should be retracting
you should be retracting
she should be retracting
we should be retracting
you should be retracting
they should be retracting	I should have retracted
you should have retracted
she should have retracted
we should have retracted
you should have retracted
they should have retracted	I should have been retracting
you should have been retracting
she should have been retracting
we should have been retracting
you should have been retracting
they should have been retracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not retract
you should not retract
she should not retract
we should not retract
you should not retract
they should not retract 	I should not be retracting
you should not be retracting
she should not be retracting
we should not be retracting
you should not be retracting
they should not be retracting	I should not have retracted
you should not have retracted
she should not have retracted
we should not have retracted
you should not have retracted
they should not have retracted	I should not have been retracting
you should not have been retracting
she should not have been retracting
we should not have been retracting
you should not have been retracting
they should not have been retracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I retract?
should you retract?
should she retract?
should we retract?
should you retract?
should they retract? 	should I be retracting?
should you be retracting?
should she be retracting?
should we be retracting?
should you be retracting?
should they be retracting? 	should I have retracted?
should you have retracted?
should she have retracted?
should we have retracted?
should you have retracted?
should they have retracted? 	should I have been retracting?
should you have been retracting?
should she have been retracting?
should we have been retracting?
should you have been retracting?
should they have been retracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not retract?
should you not retract?
should she not retract?
should we not retract?
should you not retract?
should they not retract? 	should I not be retracting?
should you not be retracting?
should she not be retracting?
should we not be retracting?
should you not be retracting?
should they not be retracting? 	should I not have retracted?
should you not have retracted?
should she not have retracted?
should we not have retracted?
should you not have retracted?
should they not have retracted? 	should I not have been retracting?
should you not have been retracting?
should she not have been retracting?
should we not have been retracting?
should you not have been retracting?
should they not have been retracting?