English verb conjugation
COULD APPALL

Regular verb: appall - appalled - appalled

Affirmation

Simple form	V-ing form
I could appall you could appall she could appall we could appall you could appall they could appall	I could be appalling you could be appalling she could be appalling we could be appalling you could be appalling they could be appalling
Perfect	V-ing perfect
I could have appalled you could have appalled she could have appalled we could have appalled you could have appalled they could have appalled	I could have been appalling you could have been appalling she could have been appalling we could have been appalling you could have been appalling they could have been appalling

Negation

Simple form	V-ing form
I could not appall you could not appall she could not appall we could not appall you could not appall they could not appall	I could not be appalling you could not be appalling she could not be appalling we could not be appalling you could not be appalling they could not be appalling
Perfect	V-ing perfect
I could not have appalled you could not have appalled she could not have appalled we could not have appalled you could not have appalled they could not have appalled	I could not have been appalling you could not have been appalling she could not have been appalling we could not have been appalling you could not have been appalling they could not have been appalling

Interrogative form

Simple form	V-ing form
could I appall? could you appall? could she appall? could we appall? could you appall? could they appall?	could I be appalling? could you be appalling? could she be appalling? could we be appalling? could you be appalling? could they be appalling?
Perfect	V-ing perfect
could I have appalled? could you have appalled? could she have appalled? could we have appalled? could you have appalled? could they have appalled?	could I have been appalling? could you have been appalling? could she have been appalling? could we have been appalling? could you have been appalling? could they have been appalling?

Interro-negative form

Simple form	V-ing form
could I not appall? could you not appall? could she not appall? could we not appall? could you not appall? could they not appall?	could I not be appalling? could you not be appalling? could she not be appalling? could we not be appalling? could you not be appalling? could they not be appalling?
Perfect	V-ing perfect
could I not have appalled? could you not have appalled? could she not have appalled? could we not have appalled? could you not have appalled? could they not have appalled?	could I not have been appalling? could you not have been appalling? could she not have been appalling? could we not have been appalling? could you not have been appalling? could they not have been appalling?