English verb conjugation
OUGHT TO PRESHARPEN

Regular verb: presharpen - presharpened - presharpened

Affirmation

Simple form	V-ing form
I ought to presharpen you ought to presharpen she ought to presharpen we ought to presharpen you ought to presharpen they ought to presharpen	I ought to be presharpening you ought to be presharpening she ought to be presharpening we ought to be presharpening you ought to be presharpening they ought to be presharpening
Perfect	V-ing perfect
I ought to have presharpened you ought to have presharpened she ought to have presharpened we ought to have presharpened you ought to have presharpened they ought to have presharpened	I ought to have been presharpening you ought to have been presharpening she ought to have been presharpening we ought to have been presharpening you ought to have been presharpening they ought to have been presharpening

Negation

Simple form	V-ing form
I ought not to presharpen you ought not to presharpen she ought not to presharpen we ought not to presharpen you ought not to presharpen they ought not to presharpen	I ought not to presharpening you ought not to presharpening she ought not to presharpening we ought not to presharpening you ought not to presharpening they ought not to presharpening
Perfect	V-ing perfect
I ought not to have presharpened you ought not to have presharpened she ought not to have presharpened we ought not to have presharpened you ought not to have presharpened they ought not to have presharpened	I ought not to have been presharpening you ought not to have been presharpening she ought not to have been presharpening we ought not to have been presharpening you ought not to have been presharpening they ought not to have been presharpening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
ought I not to presharpen? ought you not to presharpen? ought she not to presharpen? ought we not to presharpen? ought you not to presharpen? ought they not to presharpen?	ought I not to be presharpening? ought you not to be presharpening? ought she not to be presharpening? ought we not to be presharpening? ought you not to be presharpening? ought they not to be presharpening?
Perfect	V-ing perfect
ought I not to have presharpened? ought you not to have presharpened? ought she not to have presharpened? ought we not to have presharpened? ought you not to have presharpened? ought they not to have presharpened?	ought I not to have been presharpening? ought you not to have been presharpening? ought she not to have been presharpening? ought we not to have been presharpening? ought you not to have been presharpening? ought they not to have been presharpening?