HPA and GSMS Grade Eight LA
Suffixes: To Double or Not?
What are the patterns?
hop -hope
at -ate
bit - bite
us - use
fed -feed
got - goat
written - write
hugged - huge
Suffix Rules That Mostly Work... Part One
Suffix Rule #1
On one-syllable word that end with a single vowel and a consonant: double the final consonant before adding a suffix that starts with a vowel.
Some suffixes that start with vowels:
-al -ing -ed -able -ible -er -en -ee -est
Base Words:
Hug -
Sad -
Swim -
Skip -
Suffix Rule #2
On words of more than one syllable that end with single vowel and a consonant and are accented on the last syllable, double the final consonant before adding a suffix that starts with a vowel.
Base Word:
refer- gossip-
occur- forbid-
omit - confer-
control- travel-
regret- permit-
deposit- final-
commit- begin-
EXCEPTION: transferred
© 2002 by Nancie Atwell from
Lessons That Change Writers
(Portsmouth, NH:Hainemann)