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6.23: Lesson Forty-seven

Created by: CK-12

Strong Stress and the Twinning Rule

1. You twin the final consonant of a word with two vowel sounds only when you add a suffix that starts with a ______ and the word ends ______.

2. Analyze each of the following words into its free stem and suffix. Sometimes when the suffix was added, the final consonant of the free stem was twinned; sometimes it was not. Show any twinning that did occur:

Word = Free Stem + Suffix
murderer = +
forbidden = +
centered = +
committed = +
softener = +
softener = +
regretted = +

3. Now sort the stems into these two groups. Notice here that we are not listing the whole original word, just its free stem:

Free stems in which . . .
twinning did occur twinning did not occur

4. Now in the list above mark the strong stress in each of the six stems. For instance, you would mark forbid this way: forbíd.

5. Fill in the blanks with either first or last: The stems in which twinning occurred have strong stress on the ______ vowel sound. The stems in which twinning did not occur have strong stress on the ______ vowel sound.

6. You twin the final consonant of a word that has two vowel sounds whenever you add a suffix that starts with a ______ and the word ends ______ and has strong stress on the vowel.

Word Flow. In this Flow you can only go through a box with rounded corners if the word you are making follows the rule stated in that box:

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1 , 2 , 3 , 4 , 5

Date Created:

Feb 23, 2012

Last Modified:

Dec 12, 2013
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CK.ENG.ENG.SE.1.Basic-Speller.6.23

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