John in Albany, N.Y., had a question about something he heard in a TV commercial: “Dentures are different to real teeth.” The preposition struck him as odd. “I don’t recall ever hearing this ...

A preposition is a word that tells you where or when something is in relation to something else. Examples of prepositions include words like 'after', 'before', 'on', 'under', 'inside' and 'outside'.

WEST LAFAYETTE, Ind. – Parts of the human brain think about the same word differently, at least when it comes to prepositions, according to new language research in stroke patients conducted by ...

An email writer recently took me to task for my “atrocious” grammar. Later, I learned that my specific transgression is the occasional use of a preposition at the end of a sentence. We are not born ...

Twice in the past week, people have asked me about “compare to” and “compare with.” What’s the difference, they wondered. How do you know which one to use? The subject is a sore spot for me. For years ...

A question from Lucy in Taiwan: Which of the following are correct? 1. What day is your birthday? 2. On what day is your birthday? 3. What day is the Christmas party? 4. On what day is the Christmas ...

“From”, “at”, “since” or “around” – prepositions like these help us to locate things. They point us in the right direction – in time or place, for example. But it is not always as simple as it seems.