I know that the verb after "will" should always be in it's original form with no -s added,
so how could be: "it will all stops" be as correct as "it will all stop"?
it will all stops is an incorrect sentence.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Semsematicit will all stops
No.
After a modal verb (e.g., will, would, can, could, shall, should, may, might, must) you must use a verb in its dictionary form (plain infinitive).
will stop, would go, should see, must know, etc.
CJ