English verb conjugation
COULD REPEL

Regular verb: repel - repelled - repelled

Affirmation

Simple form	V-ing form
I could repel you could repel he could repel we could repel you could repel they could repel	I could be repelling you could be repelling he could be repelling we could be repelling you could be repelling they could be repelling
Perfect	V-ing perfect
I could have repelled you could have repelled he could have repelled we could have repelled you could have repelled they could have repelled	I could have been repelling you could have been repelling he could have been repelling we could have been repelling you could have been repelling they could have been repelling

Negation

Simple form	V-ing form
I could not repel you could not repel he could not repel we could not repel you could not repel they could not repel	I could not be repelling you could not be repelling he could not be repelling we could not be repelling you could not be repelling they could not be repelling
Perfect	V-ing perfect
I could not have repelled you could not have repelled he could not have repelled we could not have repelled you could not have repelled they could not have repelled	I could not have been repelling you could not have been repelling he could not have been repelling we could not have been repelling you could not have been repelling they could not have been repelling

Interrogative form

Simple form	V-ing form
could I repel? could you repel? could he repel? could we repel? could you repel? could they repel?	could I be repelling? could you be repelling? could he be repelling? could we be repelling? could you be repelling? could they be repelling?
Perfect	V-ing perfect
could I have repelled? could you have repelled? could he have repelled? could we have repelled? could you have repelled? could they have repelled?	could I have been repelling? could you have been repelling? could he have been repelling? could we have been repelling? could you have been repelling? could they have been repelling?

Interro-negative form

Simple form	V-ing form
could I not repel? could you not repel? could he not repel? could we not repel? could you not repel? could they not repel?	could I not be repelling? could you not be repelling? could he not be repelling? could we not be repelling? could you not be repelling? could they not be repelling?
Perfect	V-ing perfect
could I not have repelled? could you not have repelled? could he not have repelled? could we not have repelled? could you not have repelled? could they not have repelled?	could I not have been repelling? could you not have been repelling? could he not have been repelling? could we not have been repelling? could you not have been repelling? could they not have been repelling?