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Teacher Tips and Answers

Page 490

Hyphen . . .

490.1 To Create New Words

A hyphen is used to form new words beginning with the prefixes self, ex, all, and great. A hyphen is also used with suffixes such as elect and free.

Easy access to health information on the Internet has given rise to a lot of self-diagnosing.

Despite advances in health care, we have not created a germ-free world. Some bacteria no longer respond to all-purpose antibiotics.

490.2 To Join Letters and Words

A hyphen is used to join a capital letter to a noun or participle.

U-turn  T-bar lift

X-ray therapy  PG-rated movie

490.3 To Form an Adjective

Use the hyphen to join two or more words that work together to form a single-thought adjective before a noun.

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