The sentence is not grammatically correct, it should be, "Last summer, Jim mowed one lawn, now he mows three." Mowed just one lawn doesn't make sense in one sentence.
She should get glasses so she can see better and be successful and not me getting hate
That is a very controversial question. First of all, King Arthur was a king, not a knight. And if you mean who crowned King Arthur, then that would be his followers. And if you are referring to some point before his kingship, then it could be the Lady of the Lake, or Merlin. It all depends on which version of the story you mean, because there are hundreds.
The internal structure of a piece of writing is known as organization.
The term refers to how you organize your writing - the way you sequence your paragraphs, how you connect them, the way you transition from one thought to another. There are various ways to organize your work, and you should choose the one which suits you best.
Harassment, exploiting people, any form of physical contact (hitting, shoving, kicking, etc.), mean text, threats and talking about people behind their back is a contribution to bullying. To stop someone from bullying, the victim can tell an adult. Standing up for yourself is common, but usually the victim gets in trouble as well.
