Harvard Business Review: Why It’s So Hard to Delegate — and How to Improve proper nouns - Why is "Dick" a nickname for "Richard"? - English ... Why this expression is evaluating to 110?

Understanding the Context

or Why is this expression is evaluating to 110? Which is correct? If the second one, why in some places do we see example one? Why the long face?

Key Insights

=What is the cause of your long face? Why so cheerful? =Why are you so sad? A 'bare' infinitival clause—that is, an infinitival unmarked with to . .

Final Thoughts

. the construction has the sense "Why do you X?" or "Why would you X?", implying that there is a better alternative: Why wait? = Why would you wait (instead of doing it now)? idioms - Are "why doing this" and "why to do this" correct? - English ... How should I say: Why there is only one student there?

or Why is there only one student there? difference - "why there is" Vs ."why is there" - English Language ... Why not do it Why not to do it Whereas it feels incorrect to me (but not to my friend) to use the to in the example in the beginning. Some advice for clearing this out?