English verb conjugation
COULD EXPEL

Regular verb: expel - expelled - expelled

Affirmation

Simple form	V-ing form
I could expel you could expel she could expel we could expel you could expel they could expel	I could be expelling you could be expelling she could be expelling we could be expelling you could be expelling they could be expelling
Perfect	V-ing perfect
I could have expelled you could have expelled she could have expelled we could have expelled you could have expelled they could have expelled	I could have been expelling you could have been expelling she could have been expelling we could have been expelling you could have been expelling they could have been expelling

Negation

Simple form	V-ing form
I could not expel you could not expel she could not expel we could not expel you could not expel they could not expel	I could not be expelling you could not be expelling she could not be expelling we could not be expelling you could not be expelling they could not be expelling
Perfect	V-ing perfect
I could not have expelled you could not have expelled she could not have expelled we could not have expelled you could not have expelled they could not have expelled	I could not have been expelling you could not have been expelling she could not have been expelling we could not have been expelling you could not have been expelling they could not have been expelling

Interrogative form

Simple form	V-ing form
could I expel? could you expel? could she expel? could we expel? could you expel? could they expel?	could I be expelling? could you be expelling? could she be expelling? could we be expelling? could you be expelling? could they be expelling?
Perfect	V-ing perfect
could I have expelled? could you have expelled? could she have expelled? could we have expelled? could you have expelled? could they have expelled?	could I have been expelling? could you have been expelling? could she have been expelling? could we have been expelling? could you have been expelling? could they have been expelling?

Interro-negative form

Simple form	V-ing form
could I not expel? could you not expel? could she not expel? could we not expel? could you not expel? could they not expel?	could I not be expelling? could you not be expelling? could she not be expelling? could we not be expelling? could you not be expelling? could they not be expelling?
Perfect	V-ing perfect
could I not have expelled? could you not have expelled? could she not have expelled? could we not have expelled? could you not have expelled? could they not have expelled?	could I not have been expelling? could you not have been expelling? could she not have been expelling? could we not have been expelling? could you not have been expelling? could they not have been expelling?