All you need for this easy grammar check is a couple of pronouns you already know how to use correctly.

GRAMMAR
This information might not jibe with what you’ve heard before.
It’s the most frequent word in the English language, accounting for around 4 percent of all the words we write or speak. But what the word 'the' means is surprisingly complicated.
Belive it or not, spelling errors are a fact of life.
Deciding when to use an em dash instead of some other punctuation mark is largely up to you—except in situations that call for an en dash or hyphen.
What's the 'worse' or 'worst' that could happen if you use the wrong form of this commonly used word? Here's what to know.
Musician Sufjan Stevens recently jumped on the “open letter to Miley Cyrus” bandwagon with a tongue-in-cheek critique of her grammar in the song “Get It Right.”
One historical definition of ‘whereas’ is ‘preamble.’ But that’s probably not the one you’re looking for.
‘More than’ or ‘more then’ isn’t a matter of opinion. But there was a time when they were interchangeable.
Should you use ‘disinterested’ or ‘uninterested’? It depends on the context, the era, and how much you care about the grammar sticklers in your life.
Affect or effect? These examples—and a grammar hack from TikTok—will help you remember the difference.
Semicolon-versus-colon is one of the most fearsome face-offs in the grammar game. Here’s how to come out on top.
Insure and ensure started out as alternate spellings of the same word, but today they have slightly different definitions.
There’s a reason why “Every of my feet” sounds so wrong, and why “Almost each foot” is equally weird.
Many a teacher has reinforced the grammar rule that ‘may’ is for asking permission—not ‘can.’ But there’s a little more to it than that.
Robert Berger tried to avoid a jail sentence by forging a death certificate. Unfortunately, there is no such thing as the Office of Vital Statistics and Regsitry.
Something systemic—like a disease—means it’s present throughout a system. ‘Systematic’ refers to how a system is operated.
How many spaces should we include after a period? Microsoft is now quietly telling us that the answer is one.
'May' and 'might' are two modal verbs that are often used interchangeably, but there are grammar rules governing which one is technically correct.