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