Yes, "pre-workshop" should have a hyphen when used as a compound adjective to describe something that occurs before a workshop. The hyphen helps clarify that "pre" modifies "workshop," indicating the time relationship. Without the hyphen, the meaning could be ambiguous.
You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
No, it does not have a hyphen.
It Is A Special Hyphen
A colon is this : and a hyphen is this -
multimedia - NO hyphen
No there's not a hyphen.
It does not need to have a hyphen! :)
hyphen
Non-breaking hyphen
does time-line have a hyphen
No, deworming is not spelled with a hyphen.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.