English verb conjugation
COULD EMEND

Regular verb: emend - emended - emended

Affirmation

Simple form	V-ing form
I could emend you could emend she could emend we could emend you could emend they could emend	I could be emending you could be emending she could be emending we could be emending you could be emending they could be emending
Perfect	V-ing perfect
I could have emended you could have emended she could have emended we could have emended you could have emended they could have emended	I could have been emending you could have been emending she could have been emending we could have been emending you could have been emending they could have been emending

Negation

Simple form	V-ing form
I could not emend you could not emend she could not emend we could not emend you could not emend they could not emend	I could not be emending you could not be emending she could not be emending we could not be emending you could not be emending they could not be emending
Perfect	V-ing perfect
I could not have emended you could not have emended she could not have emended we could not have emended you could not have emended they could not have emended	I could not have been emending you could not have been emending she could not have been emending we could not have been emending you could not have been emending they could not have been emending

Interrogative form

Simple form	V-ing form
could I emend? could you emend? could she emend? could we emend? could you emend? could they emend?	could I be emending? could you be emending? could she be emending? could we be emending? could you be emending? could they be emending?
Perfect	V-ing perfect
could I have emended? could you have emended? could she have emended? could we have emended? could you have emended? could they have emended?	could I have been emending? could you have been emending? could she have been emending? could we have been emending? could you have been emending? could they have been emending?

Interro-negative form

Simple form	V-ing form
could I not emend? could you not emend? could she not emend? could we not emend? could you not emend? could they not emend?	could I not be emending? could you not be emending? could she not be emending? could we not be emending? could you not be emending? could they not be emending?
Perfect	V-ing perfect
could I not have emended? could you not have emended? could she not have emended? could we not have emended? could you not have emended? could they not have emended?	could I not have been emending? could you not have been emending? could she not have been emending? could we not have been emending? could you not have been emending? could they not have been emending?