Name _______________________________________

Lesson 17   VAC words


refer referred referring refers
prefer preferred preferring prefers
occur occurrence occurring occurs
commit committed committing commits
forbid forbidden forbidding forbids
confer conferred conferring confers
rebel rebellion rebelling rebels
transfer transferred transferring transfers

TERMS TO KNOW:

A VAC word has a single vowel before a single consonant in an accented final syllable.

      vowel     consonant
re fer'
accented syllable


1. Do all the words in the first column fit the definition of VAC words? _____
   
2. What happens to the final consonant when a suffix beginning with a vowel is added to the base word? _________________________

What happens to the final consonant when s is added? __________


Lesson Generalization

Double the final consonant of a VAC word before adding a suffix that begins with a vowel. Do not double the final consonant before adding a suffix that begins with a consonant.


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