Luckly, something with the English language makes it that especially native speakers quite often have atrocious grammar: They're - their - there mistakes, who/m

Luckly, something with the English language makes it that especially native speakers quite often have atrocious grammar: They're - their - there mistakes, who/m, the list goes on. Funnily enough, I've noticed myself getting worse with they're/their the more is use English (which is my third language).