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