1. I get paid overtime for every single paycheck.
2. I get paid overtime for every single paychecks. (incorrect)
3. Every single paycheck is overtime.
4. Every single paychecks are overtime.(incorrect)
5. I get paid for overtime.
6. I get paid overtime. Both are fine- it depends whether you are thinking about the work (5) or the money (6)
7. Which car is okay? (Does 'which' mean one?)
8. Which cars are okay? Both are fine- which can be plural
9. Every car is okay. (Does 'every' mean one?)
10. Every cars are okay. (incorrect)
11. Every person has a car.
12. Every people have a car. (If this is correct, why? I did a google search for 'every people' and it came out with immense results.) There's a lot of bad English on the net
If #12 is correct, why isn't this correct?
13. Every boys have a car. incorrect
14. Every few days, he goes there.
15. Every days, he goes there. (few makes it plural in 14- 15 is wrong)
Are these correct?
16. Every person has many cars.
17. Every person has cars. Both OK, though I'd say everybody
Sorry for the tiresome list. You're welcome.