What is the subject-verb agreement here?

Post date: 2021-06-18 17:00:12
Views: 530
I want to know the grammatical reasoning behind this: a) Each cat has a collar b) Each cat must have a collar Why does adding must change the subject-verb agreement? This is next to impossible to google an answer for as I'm not sure what grammatical rule/exception I'm looking for, and it is slowly driving me mad not knowing why.
Number of Comments
Please click Here to read the full story.
 
Other Top and Latest Questions:
More than half of Americans come up as much as $250 short each month — here's how to find that money
Movie: The Egg and I
Another "identify this title from my youth" question
Uber stock sinks 7% after weak guidance despite revenue growth
S&P 500 gives up gain as 4-day rally loses momentum; Dow boosted by Nvidia: Live updates
Ken Griffin's Citadel posts best month in years after scooping up Situational Awareness stocks
Hello, how long can I edit my profile
Movie: Jour de Fête
SpaceX's earnings are not helping its stock, but Nvidia is getting a boost
Stargate SG-1: The Warrior Rewatch