English verb conjugation
MAY PRESHARPEN

Regular verb: presharpen - presharpened - presharpened

Affirmation

Simple form	V-ing form
I may presharpen you may presharpen he may presharpen we may presharpen you may presharpen they may presharpen	I may be presharpening you may be presharpening he may be presharpening we may be presharpening you may be presharpening they may be presharpening
Perfect	V-ing perfect
I may have presharpened you may have presharpened he may have presharpened we may have presharpened you may have presharpened they may have presharpened	I may have been presharpening you may have been presharpening he may have been presharpening we may have been presharpening you may have been presharpening they may have been presharpening

Negation

Simple form	V-ing form
I may not presharpen you may not presharpen he may not presharpen we may not presharpen you may not presharpen they may not presharpen	I may not be presharpening you may not be presharpening he may not be presharpening we may not be presharpening you may not be presharpening they may not be presharpening
Perfect	V-ing perfect
I may not have presharpened you may not have presharpened he may not have presharpened we may not have presharpened you may not have presharpened they may not have presharpened	I may not have been presharpening you may not have been presharpening he may not have been presharpening we may not have been presharpening you may not have been presharpening they may not have been presharpening

Interrogative form

Simple form	V-ing form
may I presharpen? may you presharpen? may he presharpen? may we presharpen? may you presharpen? may they presharpen?	may I be presharpening? may you be presharpening? may he be presharpening? may we be presharpening? may you be presharpening? may they be presharpening?
Perfect	V-ing perfect
may I have presharpened? may you have presharpened? may he have presharpened? may we have presharpened? may you have presharpened? may they have presharpened?	may I have been presharpening? may you have been presharpening? may he have been presharpening? may we have been presharpening? may you have been presharpening? may they have been presharpening?

Interro-negative form

Simple form	V-ing form
may I not presharpen? may you not presharpen? may he not presharpen? may we not presharpen? may you not presharpen? may they not presharpen?	may I not be presharpening? may you not be presharpening? may he not be presharpening? may we not be presharpening? may you not be presharpening? may they not be presharpening?
Perfect	V-ing perfect
may I not have presharpened? may you not have presharpened? may he not have presharpened? may we not have presharpened? may you not have presharpened? may they not have presharpened?	may I not have been presharpening? may you not have been presharpening? may he not have been presharpening? may we not have been presharpening? may you not have been presharpening? may they not have been presharpening?