Explanation:
relative clause
it modifies noun phrase by some grammatical tools
example
my friend who is coming from America is coming to the dinner
here who is used to indicate the noun phrase
subject verb agreement
A subject and a verb must agree, even when other words or phrases come between them.
example
The flock of geese is flying south for the winter.
The subject is flock, so the verb should be is flying.
I never read it but using common sense in stores only employees is allowed to hand out edible substances, why because its a precation so they dont sue the store if they get sick
The answer is:
When one goes to the library, they should make sure to bring their library card. Hope this helps ^w^
