※ Top Ten Grammar Peeves. 1. It’s “I couldn’t care less.” “I could care less” means that you actually do care. 2. An apostrophe is never used to form a plural. 3. “Literally” means it actually happened, not that it figuratively happened. 4. “Loose” and “lose” are two different words. 5. “Your” and “you’re” are also two different words. 6. “Their,” “there” and “they’re” are actually three differe..