should presharpen
Regular verb: presharpen - presharpened- presharpened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd presharpen
you'd presharpen
she'd presharpen
we'd presharpen
you'd presharpen
they'd presharpen 	I'd be presharpening
you'd be presharpening
she'd be presharpening
we'd be presharpening
you'd be presharpening
they'd be presharpening	I should've presharpened
you should've presharpened
she should've presharpened
we should've presharpened
you should've presharpened
they should've presharpened	I should've been presharpening
you should've been presharpening
she should've been presharpening
we should've been presharpening
you should've been presharpening
they should've been presharpening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't presharpen
you shouldn't presharpen
she shouldn't presharpen
we shouldn't presharpen
you shouldn't presharpen
they shouldn't presharpen 	I shouldn't be presharpening
you shouldn't be presharpening
she shouldn't be presharpening
we shouldn't be presharpening
you shouldn't be presharpening
they shouldn't be presharpening	I shouldn't have presharpened
you shouldn't have presharpened
she shouldn't have presharpened
we shouldn't have presharpened
you shouldn't have presharpened
they shouldn't have presharpened	I shouldn't have been presharpening
you shouldn't have been presharpening
she shouldn't have been presharpening
we shouldn't have been presharpening
you shouldn't have been presharpening
they shouldn't have been presharpening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I presharpen?
should you presharpen?
should she presharpen?
should we presharpen?
should you presharpen?
should they presharpen? 	should I be presharpening?
should you be presharpening?
should she be presharpening?
should we be presharpening?
should you be presharpening?
should they be presharpening? 	should I have presharpened?
should you have presharpened?
should she 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 she have been presharpening?
should we have been presharpening?
should you have been presharpening?
should they have been presharpening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I presharpen?
shouldn't you presharpen?
shouldn't she presharpen?
shouldn't we presharpen?
shouldn't you presharpen?
shouldn't they presharpen? 	shouldn't I be presharpening?
shouldn't you be presharpening?
shouldn't she be presharpening?
shouldn't we be presharpening?
shouldn't you be presharpening?
shouldn't they be presharpening? 	shouldn't I have presharpened?
shouldn't you have presharpened?
shouldn't she have presharpened?
shouldn't we have presharpened?
shouldn't you have presharpened?
shouldn't they have presharpened? 	shouldn't I have been presharpening?
shouldn't you have been presharpening?
shouldn't she have been presharpening?
shouldn't we have been presharpening?
shouldn't you have been presharpening?
shouldn't they have been presharpening?