Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could expel expel you could expel expel he could expel expel we could expel expel you could expel expel they could expel expel
V-ing form
I could be expel expeling you could be expel expeling he could be expel expeling we could be expel expeling you could be expel expeling they could be expel expeling
Perfect
I could have expel expeled you could have expel expeled he could have expel expeled we could have expel expeled you could have expel expeled they could have expel expeled
V-ing perfect
I could have been expel expeling you could have been expel expeling he could have been expel expeling we could have been expel expeling you could have been expel expeling they could have been expel expeling
Negation
Simple form
I couldn't expel expel you couldn't expel expel he couldn't expel expel we couldn't expel expel you couldn't expel expel they couldn't expel expel
V-ing form
I couldn't be expel expeling you couldn't be expel expeling he couldn't be expel expeling we couldn't be expel expeling you couldn't be expel expeling they couldn't be expel expeling
Perfect
I couldn't have expel expeled you couldn't have expel expeled he couldn't have expel expeled we couldn't have expel expeled you couldn't have expel expeled they couldn't have expel expeled
V-ing perfect
I couldn't have been expel expeling you couldn't have been expel expeling he couldn't have been expel expeling we couldn't have been expel expeling you couldn't have been expel expeling they couldn't have been expel expeling
Interrogative form
Simple form
could I expel expel? could you expel expel? could he expel expel? could we expel expel? could you expel expel? could they expel expel?
V-ing form
could I be expel expeling? could you be expel expeling? could he be expel expeling? could we be expel expeling? could you be expel expeling? could they be expel expeling?
Perfect
could I have expel expeled? could you have expel expeled? could he have expel expeled? could we have expel expeled? could you have expel expeled? could they have expel expeled?
V-ing perfect
could I have been expel expeling? could you have been expel expeling? could he have been expel expeling? could we have been expel expeling? could you have been expel expeling? could they have been expel expeling?
Interro-negative form
Simple form
couldn't I expel expel? couldn't you expel expel? couldn't he expel expel? couldn't we expel expel? couldn't you expel expel? couldn't they expel expel?
V-ing form
couldn't I be expel expeling? couldn't you be expel expeling? couldn't he be expel expeling? couldn't we be expel expeling? couldn't you be expel expeling? couldn't they be expel expeling?
Perfect
couldn't I have expel expeled? couldn't you have expel expeled? couldn't he have expel expeled? couldn't we have expel expeled? couldn't you have expel expeled? couldn't they have expel expeled?
V-ing perfect
couldn't I have been expel expeling? couldn't you have been expel expeling? couldn't he have been expel expeling? couldn't we have been expel expeling? couldn't you have been expel expeling? couldn't they have been expel expeling?