Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could arrange agree you could arrange agree he could arrange agree we could arrange agree you could arrange agree they could arrange agree
V-ing form
I could be arrange agreeing you could be arrange agreeing he could be arrange agreeing we could be arrange agreeing you could be arrange agreeing they could be arrange agreeing
Perfect
I could have arrange agreed you could have arrange agreed he could have arrange agreed we could have arrange agreed you could have arrange agreed they could have arrange agreed
V-ing perfect
I could have been arrange agreeing you could have been arrange agreeing he could have been arrange agreeing we could have been arrange agreeing you could have been arrange agreeing they could have been arrange agreeing
Negation
Simple form
I could not arrange agree you could not arrange agree he could not arrange agree we could not arrange agree you could not arrange agree they could not arrange agree
V-ing form
I could not be arrange agreeing you could not be arrange agreeing he could not be arrange agreeing we could not be arrange agreeing you could not be arrange agreeing they could not be arrange agreeing
Perfect
I could not have arrange agreed you could not have arrange agreed he could not have arrange agreed we could not have arrange agreed you could not have arrange agreed they could not have arrange agreed
V-ing perfect
I could not have been arrange agreeing you could not have been arrange agreeing he could not have been arrange agreeing we could not have been arrange agreeing you could not have been arrange agreeing they could not have been arrange agreeing
Interrogative form
Simple form
could I arrange agree? could you arrange agree? could he arrange agree? could we arrange agree? could you arrange agree? could they arrange agree?
V-ing form
could I be arrange agreeing? could you be arrange agreeing? could he be arrange agreeing? could we be arrange agreeing? could you be arrange agreeing? could they be arrange agreeing?
Perfect
could I have arrange agreed? could you have arrange agreed? could he have arrange agreed? could we have arrange agreed? could you have arrange agreed? could they have arrange agreed?
V-ing perfect
could I have been arrange agreeing? could you have been arrange agreeing? could he have been arrange agreeing? could we have been arrange agreeing? could you have been arrange agreeing? could they have been arrange agreeing?
Interro-negative form
Simple form
could I not arrange agree? could you not arrange agree? could he not arrange agree? could we not arrange agree? could you not arrange agree? could they not arrange agree?
V-ing form
could I not be arrange agreeing? could you not be arrange agreeing? could he not be arrange agreeing? could we not be arrange agreeing? could you not be arrange agreeing? could they not be arrange agreeing?
Perfect
could I not have arrange agreed? could you not have arrange agreed? could he not have arrange agreed? could we not have arrange agreed? could you not have arrange agreed? could they not have arrange agreed?
V-ing perfect
could I not have been arrange agreeing? could you not have been arrange agreeing? could he not have been arrange agreeing? could we not have been arrange agreeing? could you not have been arrange agreeing? could they not have been arrange agreeing?