What is the subject-verb agreement here?

Post date: 2021-06-18 17:00:12
Views: 692
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:
Airfare is 23% higher than last year. Is now a good time to use points for flights?
Levi Strauss hikes profit guidance after tariff refunds, but its sales outlook is less optimistic
SpaceX’s plans to buy more Nvidia GPUs is keeping Jim Cramer bullish on the chip stock
Microsoft to sell $2,599 Surface Laptop Ultra containing Nvidia AI chip
Slow Horses: Lost and Found
Snowpiercer: By Weeping Cross Rewatch
Snowpiercer: Dominant Traits Rewatch
Snowpiercer: Bell the Cat Rewatch
Elon Musk blames Indian 'oligarchs' for stalling Starlink launch
TSMC September sales hit another record as AI boom rolls on