should presharpen
Verbo regular: presharpen - presharpened- presharpened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should presharpen
you should presharpen
he should presharpen
we should presharpen
you should presharpen
they should presharpen 	I should be presharpening
you should be presharpening
he should be presharpening
we should be presharpening
you should be presharpening
they should be presharpening	I should have presharpened
you should have presharpened
he should have presharpened
we should have presharpened
you should have presharpened
they should have presharpened	I should have been presharpening
you should have been presharpening
he should have been presharpening
we should have been presharpening
you should have been presharpening
they should have been presharpening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not presharpen
you should not presharpen
he should not presharpen
we should not presharpen
you should not presharpen
they should not presharpen 	I should not be presharpening
you should not be presharpening
he should not be presharpening
we should not be presharpening
you should not be presharpening
they should not be presharpening	I should not have presharpened
you should not have presharpened
he should not have presharpened
we should not have presharpened
you should not have presharpened
they should not have presharpened	I should not have been presharpening
you should not have been presharpening
he should not have been presharpening
we should not have been presharpening
you should not have been presharpening
they should not have been presharpening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I presharpen?
should you presharpen?
should he presharpen?
should we presharpen?
should you presharpen?
should they presharpen? 	should I be presharpening?
should you be presharpening?
should he be presharpening?
should we be presharpening?
should you be presharpening?
should they be presharpening? 	should I have presharpened?
should you have presharpened?
should he have presharpened?
should we have presharpened?
should you have presharpened?
should they have presharpened? 	should I have been presharpening?
should you have been presharpening?
should he have been presharpening?
should we have been presharpening?
should you have been presharpening?
should they have been presharpening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not presharpen?
should you not presharpen?
should he not presharpen?
should we not presharpen?
should you not presharpen?
should they not presharpen? 	should I not be presharpening?
should you not be presharpening?
should he not be presharpening?
should we not be presharpening?
should you not be presharpening?
should they not be presharpening? 	should I not have presharpened?
should you not have presharpened?
should he not have presharpened?
should we not have presharpened?
should you not have presharpened?
should they not have presharpened? 	should I not have been presharpening?
should you not have been presharpening?
should he not have been presharpening?
should we not have been presharpening?
should you not have been presharpening?
should they not have been presharpening?