Like it or not, words, spelling, and punctuation can leave a lasting impression on others. But even the most educated people often unknowingly make these common flubs.

Incorrect version: “Between you and I…”
Correct version: “Between you and me…”

Incorrect version: “The story really impacted me.”
Correct version: “The story really influenced me.”

Incorrect version: “There are less than three pieces of pizza left.”
Correct version: “There are fewer than three pieces of pizza left.”