. mixing up your/you're, there/their/they're, and ending a sentence with a preposition.
— Dave N (@RunnerDave20194)
It's and its. One is a contraction, the other is a possessive. Happy Grammar Day from a Middle School Language Arts teacher.
— Julie Yanchulis (@DCSportsMom)
when people say they will "try and" do something. Should be try TO!
— Dana Tofig (@MCPSPIO)
Person's who make thing's plural by adding apostrophe's. And of course possessive's to. Totally anger's me. Learn the rule's, folk's.
— Doug Kern (@dakern74)
Who/whom and subject/verb disagreement. "Data" and "media" are PLURALS, people! :-)
— Deb Stahl (@CrnchyMama)
"Lose" & "Loose"
— 9_Passion (@Sov_Passion)
When people on Facebook use .... instead of commas, semicolons, or periods between sentences when they write long posts.
— kerrin (@kerrinsuzanne)
When people say "Him and me" went out. It should be "he and I".
— Mary Ellen (@m_icaza)
many are orthographic errors. I despise the misuse of "then" and "than"
— Petworthian (@Petworthnewvie)
How about him and me and her and I ugh.
— Andrea Warwick (@andiw516)
Use FEWER with items that can be counted; use LESS with a quantity of a substance.
— Heather Hurley (@medevam)
Using "lay" instead of "lie" and "went" instead of "gone."
— Sash (@michael0501)
when apostrophe "s" (or 's) is used as pluralization for a word or acronym
— Neal G. (@PalmBay925)
It drives me crazy when people say "physical" when they mean "fiscal"
using ARE for OUR
— HelenPriceMontgomery (@hporiginal)
oh! And "should/would/must of" instead of "should/would/must have"
— Petworthian (@Petworthnewvie)
Hate when people confuse there, their and they're. I mean, come on, there only 3 options! Their needs to be more focus on grammar.
— Anneliese Delgado (@OnAirAnneliese)
I'm sure you will get "alot" of replies RT Wednesday is National Grammar Day! What are your top grammar pet peeves? Tell us with
— Rebecca Roth (@rebroth)
the obvious one to me is your-you're
— George Daffan (@GCD04)
People who say "send it to John Doe and I" or otherwise misuse "I" because they think it sounds smarter.
— Satirical Alexandria (@SatirclAlx)
Hi . Knock knock. Who's there? To. To who? To WHOM! Happy !
— Stacey Viera (@staceyviera)
Typo issues: form & from; weather & whether... Grammar issues: your & you're; their & there; to & too; and when to use "," and ";"
— wendy (@wowindc)
WASHINGTON — You may want to proofread carefully Wednesday, because it’s .
To celebrate the grammar geeks out there, ÃÛÌÒÊÓÆµapp asked people to share their biggest grammar pet peeves. Click through the gallery to see some of the responses from Twitter.
Tell us your biggest grammar annoyances on Twitter using  and join the conversation on .
