English verb conjugation
COULD JELL

Regular verb: jell - jelled - jelled

Affirmation

Simple form	V-ing form
I could jell you could jell he could jell we could jell you could jell they could jell	I could be jelling you could be jelling he could be jelling we could be jelling you could be jelling they could be jelling
Perfect	V-ing perfect
I could have jelled you could have jelled he could have jelled we could have jelled you could have jelled they could have jelled	I could have been jelling you could have been jelling he could have been jelling we could have been jelling you could have been jelling they could have been jelling

Negation

Simple form	V-ing form
I couldn't jell you couldn't jell he couldn't jell we couldn't jell you couldn't jell they couldn't jell	I couldn't be jelling you couldn't be jelling he couldn't be jelling we couldn't be jelling you couldn't be jelling they couldn't be jelling
Perfect	V-ing perfect
I couldn't have jelled you couldn't have jelled he couldn't have jelled we couldn't have jelled you couldn't have jelled they couldn't have jelled	I couldn't have been jelling you couldn't have been jelling he couldn't have been jelling we couldn't have been jelling you couldn't have been jelling they couldn't have been jelling

Interrogative form

Simple form	V-ing form
could I jell? could you jell? could he jell? could we jell? could you jell? could they jell?	could I be jelling? could you be jelling? could he be jelling? could we be jelling? could you be jelling? could they be jelling?
Perfect	V-ing perfect
could I have jelled? could you have jelled? could he have jelled? could we have jelled? could you have jelled? could they have jelled?	could I have been jelling? could you have been jelling? could he have been jelling? could we have been jelling? could you have been jelling? could they have been jelling?

Interro-negative form

Simple form	V-ing form
couldn't I jell? couldn't you jell? couldn't he jell? couldn't we jell? couldn't you jell? couldn't they jell?	couldn't I be jelling? couldn't you be jelling? couldn't he be jelling? couldn't we be jelling? couldn't you be jelling? couldn't they be jelling?
Perfect	V-ing perfect
couldn't I have jelled? couldn't you have jelled? couldn't he have jelled? couldn't we have jelled? couldn't you have jelled? couldn't they have jelled?	couldn't I have been jelling? couldn't you have been jelling? couldn't he have been jelling? couldn't we have been jelling? couldn't you have been jelling? couldn't they have been jelling?