Answer:
A subject in literature is the first part in a sentence about what the whole paper, essay, etc is going to be about. Hope this helped.
Answer:
was having/had
Explanation:
it depends on the context outside of it to. For example if you were telling a story and that was a detail it would be "was having" but any other context would be "had"
The children would be the reflexive pronoun.
Hello!
Answer:
It really depends on what the rules are. For example, if they are rules in your parent's house, then it's to teach you responsibility and what to do and what not to do. If it's for class rules, it would be partly to make the students feel safe as well as to show respect. But rules, in general, teach us responsibility and safety.