What is the subject-verb agreement here?

Post date: 2021-06-18 17:00:12
Views: 782
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:
Cathie Wood 'always feels better when the market is worried' — here's why
31-year-old dumpster diver brought in $140,000 in 12 months: I 'did much more than I thought was possible'
Inside the card-grading empire shaping the price of Pokémon cards
Why the prognosis for healthcare stocks is uncertain ahead of Congress’ new makeup
Teach me more about drugs (lots of drugs)
VisionQuest: Immolation
VisionQuest: Deadlock
VisionQuest: Firewall
Midnight Diner: 6 (all episodes)
Movie: Mishima: A Life in Four Chapters