English verb conjugation
COULD GEL

Regular verb: gel - gelled - gelled

Affirmation

Simple form	V-ing form
I could gel you could gel he could gel we could gel you could gel they could gel	I could be gelling you could be gelling he could be gelling we could be gelling you could be gelling they could be gelling
Perfect	V-ing perfect
I could have gelled you could have gelled he could have gelled we could have gelled you could have gelled they could have gelled	I could have been gelling you could have been gelling he could have been gelling we could have been gelling you could have been gelling they could have been gelling

Negation

Simple form	V-ing form
I could not gel you could not gel he could not gel we could not gel you could not gel they could not gel	I could not be gelling you could not be gelling he could not be gelling we could not be gelling you could not be gelling they could not be gelling
Perfect	V-ing perfect
I could not have gelled you could not have gelled he could not have gelled we could not have gelled you could not have gelled they could not have gelled	I could not have been gelling you could not have been gelling he could not have been gelling we could not have been gelling you could not have been gelling they could not have been gelling

Interrogative form

Simple form	V-ing form
could I gel? could you gel? could he gel? could we gel? could you gel? could they gel?	could I be gelling? could you be gelling? could he be gelling? could we be gelling? could you be gelling? could they be gelling?
Perfect	V-ing perfect
could I have gelled? could you have gelled? could he have gelled? could we have gelled? could you have gelled? could they have gelled?	could I have been gelling? could you have been gelling? could he have been gelling? could we have been gelling? could you have been gelling? could they have been gelling?

Interro-negative form

Simple form	V-ing form
could I not gel? could you not gel? could he not gel? could we not gel? could you not gel? could they not gel?	could I not be gelling? could you not be gelling? could he not be gelling? could we not be gelling? could you not be gelling? could they not be gelling?
Perfect	V-ing perfect
could I not have gelled? could you not have gelled? could he not have gelled? could we not have gelled? could you not have gelled? could they not have gelled?	could I not have been gelling? could you not have been gelling? could he not have been gelling? could we not have been gelling? could you not have been gelling? could they not have been gelling?