Does old school need a hyphen

The report was easy to read.Use a hyphen in a compound modifier when the modifier comes before the word it's modifying.Usually, we do not need to add hyphens after prefixes.I am 21 year old.Hyphenate ages when they are adjective phrases involving a unit of measurement:

6) he ate a fourteen year old hamburger.Hyphen with a noun, adjective or adverb and a present participle.If you aren't sure, try replacing the prefix with the word former. if it still makes sense, add a hyphen.A hyphen should always be used to separate a prefix that comes before a proper noun.You hyphenate them before the noun but not after the noun.

It can seem like the words in phrases like out of date and state of the art just belong together.Summary so to sum up, you hyphenate an age when it's a noun or when it's a modifier that comes before a noun.If the hyphen would make the sentence clearer, add one in.I've written more than once about hyphens, including this previous post, but it remains a troublesome topic, so i'll approach it from this direction, too:Use a hyphen to create a connection between two words.

3) maddie is a five year old girl.Some phrasal adjectives (including civil rights, stock market, and high school) don't require hyphenation when they appear before a noun.The child is two years old.This is called a compound adjective (or compound modifier).A hyphen is not needed if the compound modifier comes after the noun.

The categories of hyphenation errors.