What is the subject-verb agreement here?

Post date: 2021-06-18 17:00:12
Views: 382
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:
Thursday's big stock stories: What’s likely to move the market in the next trading session
2-year Treasury yield rockets higher as many Fed officials signal possible hike this year
Chairman Warsh drastically alters Fed rate statement. Here's what's changed
Inside India newsletter: Anthropic curbs ignite AI debate in India — efforts 'too slow, way too small'
Fed holds rates steady, pares down statement to remove cutting bias
Trump and Iran's President Pezeshkian sign memorandum aimed to end war
What would happen if the POTUS started shooting people in the streets?
Unconventional lifestyle people: what those assets do?
People with high sleep needs?
China to return as major oil buyer in August, JPMorgan says, naming its top stock picks