English verb conjugation
COULD UNFOLC

Regular verb: unfolc - unfolced - unfolced

Affirmation

Simple form	V-ing form
I could unfolc you could unfolc he could unfolc we could unfolc you could unfolc they could unfolc	I could be unfolcing you could be unfolcing he could be unfolcing we could be unfolcing you could be unfolcing they could be unfolcing
Perfect	V-ing perfect
I could have unfolced you could have unfolced he could have unfolced we could have unfolced you could have unfolced they could have unfolced	I could have been unfolcing you could have been unfolcing he could have been unfolcing we could have been unfolcing you could have been unfolcing they could have been unfolcing

Negation

Simple form	V-ing form
I could not unfolc you could not unfolc he could not unfolc we could not unfolc you could not unfolc they could not unfolc	I could not be unfolcing you could not be unfolcing he could not be unfolcing we could not be unfolcing you could not be unfolcing they could not be unfolcing
Perfect	V-ing perfect
I could not have unfolced you could not have unfolced he could not have unfolced we could not have unfolced you could not have unfolced they could not have unfolced	I could not have been unfolcing you could not have been unfolcing he could not have been unfolcing we could not have been unfolcing you could not have been unfolcing they could not have been unfolcing

Interrogative form

Simple form	V-ing form
could I unfolc? could you unfolc? could he unfolc? could we unfolc? could you unfolc? could they unfolc?	could I be unfolcing? could you be unfolcing? could he be unfolcing? could we be unfolcing? could you be unfolcing? could they be unfolcing?
Perfect	V-ing perfect
could I have unfolced? could you have unfolced? could he have unfolced? could we have unfolced? could you have unfolced? could they have unfolced?	could I have been unfolcing? could you have been unfolcing? could he have been unfolcing? could we have been unfolcing? could you have been unfolcing? could they have been unfolcing?

Interro-negative form

Simple form	V-ing form
could I not unfolc? could you not unfolc? could he not unfolc? could we not unfolc? could you not unfolc? could they not unfolc?	could I not be unfolcing? could you not be unfolcing? could he not be unfolcing? could we not be unfolcing? could you not be unfolcing? could they not be unfolcing?
Perfect	V-ing perfect
could I not have unfolced? could you not have unfolced? could he not have unfolced? could we not have unfolced? could you not have unfolced? could they not have unfolced?	could I not have been unfolcing? could you not have been unfolcing? could he not have been unfolcing? could we not have been unfolcing? could you not have been unfolcing? could they not have been unfolcing?