Some come to mind:
Could of (Should be could have)
I could care less (It’s couldn’t)
If I was (should be if I were)
FACT: The most common grammatical mistake in the history of the English language is "aren't I". Prove me wrong.
shareSplit infinitives.
Dangling participles.
Worse instead of worst.
Not knowing when to use ‘you and I’ or ‘you and me’.
Commas before brackets.
I could care less (It’s couldn’t)
This one really grinds my gears as it means pretty much the opposite of what the peson intended.
No offence americans but you lot started this and refuse to correct it.
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Something that irritates me when I see it is when people don't know how to handle possessive forms of names that end with "S." It's very simple.
If the word is singular, add "'s" to make it possessive. This is James's horse.
If the word is plural, add "'" to make it possessive. This is the Morgans' car.
Here's the one people screw up most often. If the word is the plural form of a singular name that ends in "s," make the word plural as you normally would if you were not going to make it possessive. Then add "'" to make it possessive. If the Jones family invited me to dinner, when recalling it later I would say, "I had dinner with the Joneses." Therefore, it's That is the Joneses' house. -- not "the Jones's house."
I always wondered about that one.
shareSometimes I'm flabbergasted at the things I see. A few years ago there was a television series, The Americans, in which the protagonists were a married couple, Philip and Elizabeth Jennings. I was a fan and followed it passionately, not only watching the episodes but participating in the discussions first at IMDB then here, reading online reviews and articles, et cetera. One of the things I read was the commentary after each episode by a woman who wrote for a prominent, professionally produced magazine. Her articles appeared on the magazine's web site. She consistently got the pluralization wrong -- if the family invited their neighbor Stan to dinner she wrote, "Stan had dinner with the Jennings." My God! -- that's almost as bad as "me and the boys," a la, "Me and the boys played poker." Didn't the magazine's editors know better?
On a side note, The Americans was a hell of a great series, about Soviet agents living in America in the 1980s, posing as US citizens and perpetrating all sorts of Cold War skullduggery. It had a few weak moments along the way but was still better than 90% of what's on television. If you haven't seen it and cloak-and-dagger spy stuff appeals to you, I enthusiastically recommend it.
"Looser" instead of "loser".
"Better else" is wrong. It's "do you have anything else better to do?"
"Irregardless" isn't a work.
"Per say or persay" are both incorrect.
With "per se," that's merely spelling. No one uses the expression correctly.
shareCorrect here, I think. A pony per se. Jerry trying to wiggle out, though obviously his original meaning was NOT per se.
https://www.youtube.com/watch?v=z3ik4qJBoPk&t=51s
Where you write "per se" is sound like you're saying per as in each se.
share""Irregardless" isn't a work."
https://www.merriam-webster.com/dictionary/irregardless
I was correct. "Irregardless" isn't a work. It's a word.
sharethen than
share"Could of (Should be could have)"
The reason for this is because, when spoken, 'could've' sounds exactly like 'could of'.
But yeah, it's still grating.