English verb conjugation
COULD EXCORIATE

Regular verb: excoriate - excoriated - excoriated

Affirmation

Simple form	V-ing form
I could excoriate you could excoriate he could excoriate we could excoriate you could excoriate they could excoriate	I could be excoriating you could be excoriating he could be excoriating we could be excoriating you could be excoriating they could be excoriating
Perfect	V-ing perfect
I could have excoriated you could have excoriated he could have excoriated we could have excoriated you could have excoriated they could have excoriated	I could have been excoriating you could have been excoriating he could have been excoriating we could have been excoriating you could have been excoriating they could have been excoriating

Negation

Simple form	V-ing form
I couldn't excoriate you couldn't excoriate he couldn't excoriate we couldn't excoriate you couldn't excoriate they couldn't excoriate	I couldn't be excoriating you couldn't be excoriating he couldn't be excoriating we couldn't be excoriating you couldn't be excoriating they couldn't be excoriating
Perfect	V-ing perfect
I couldn't have excoriated you couldn't have excoriated he couldn't have excoriated we couldn't have excoriated you couldn't have excoriated they couldn't have excoriated	I couldn't have been excoriating you couldn't have been excoriating he couldn't have been excoriating we couldn't have been excoriating you couldn't have been excoriating they couldn't have been excoriating

Interrogative form

Simple form	V-ing form
could I excoriate? could you excoriate? could he excoriate? could we excoriate? could you excoriate? could they excoriate?	could I be excoriating? could you be excoriating? could he be excoriating? could we be excoriating? could you be excoriating? could they be excoriating?
Perfect	V-ing perfect
could I have excoriated? could you have excoriated? could he have excoriated? could we have excoriated? could you have excoriated? could they have excoriated?	could I have been excoriating? could you have been excoriating? could he have been excoriating? could we have been excoriating? could you have been excoriating? could they have been excoriating?

Interro-negative form

Simple form	V-ing form
couldn't I excoriate? couldn't you excoriate? couldn't he excoriate? couldn't we excoriate? couldn't you excoriate? couldn't they excoriate?	couldn't I be excoriating? couldn't you be excoriating? couldn't he be excoriating? couldn't we be excoriating? couldn't you be excoriating? couldn't they be excoriating?
Perfect	V-ing perfect
couldn't I have excoriated? couldn't you have excoriated? couldn't he have excoriated? couldn't we have excoriated? couldn't you have excoriated? couldn't they have excoriated?	couldn't I have been excoriating? couldn't you have been excoriating? couldn't he have been excoriating? couldn't we have been excoriating? couldn't you have been excoriating? couldn't they have been excoriating?