If you watch Grammarly's advertising, the core market seems to not be English language learners but college graduates that are having a hard time deciding betwe

If you watch Grammarly's advertising, the core market seems to not be English language learners but college graduates that are having a hard time deciding between the usage of "were" and "we're". https://www.youtube.com/watch?v=Ak-Y56SfkS0 https://www.youtube.com/watch?v=Ak-Y56SfkS0 Snark aside, there are plenty of English grammar resources that can be consumed in book form or online without attending an American high school or compromising your privacy. A solid one is the Chicago Manual of Style: https://www.chicagomanualofstyle.org/home.html https://www.chicagomanualofstyle.org/home.html