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5.9: Sometimes -s , Sometimes -es Again

Difficulty Level: At Grade Created by: CK-12
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1. When you want to make a plural out of a singular noun that ends in the sounds

[S], [Z], [Sh], or [Ch], you add the suffix -es, and when you make a plural out of a singular noun that ends in a <y> with a consonant letter right in front of it, you change the <y> to \begin{align*}\underline{<\mathrm{i}>}\end{align*}<i> and add the suffix -es, but with other singular nouns you just add the suffix -s.

2. Analyze each of these plural nouns into its singular noun plus suffix:

Plural Noun = Singular Noun + Suffix
units = unit + s
taxes = tax + es
universes = univers\begin{align*}\cancel{e}\end{align*}e + es
friends = friend + s
bunches = bunch + es
lines = lin\begin{align*}\cancel{e}\end{align*}e + es
goddesses = goddess + es
nights = night + s
thirties = thirt\begin{align*}\cancel{y}\end{align*}y + i + es
brushes = brush + es
recesses = recess + es
foxes = fox + es
companies = compan\begin{align*}\cancel{y}\end{align*}y + i + es

3. The rule for the suffix that turns singular nouns into plurals is just the same as the rule for the suffix that adds the meaning “now” to verbs:

You add the meaning “now” to a verb that ends in the sounds [S], [Z], [Sh], or [ch] by adding the suffix -es, and you add the meaning “now” to a verb that ends in a <y> with a consonant letter right in front of it by changing the <y> to \begin{align*}\underline{<i>}\end{align*}<i> and adding the suffix -es, but with other verbs you just add the suffix -s.

4. Add either -s or -es to each of these verbs

Verb + Suffix = Verb with the Meaning “Now”
fl\begin{align*}\cancel{y}\end{align*}y + i + es = flies
hurr\begin{align*}\cancel{y}\end{align*}y + es = hurries
attach + es = attaches
read + s = reads
glimps\begin{align*}\cancel{e}\end{align*}e + es = glimpses
recess + es = recesses
quiz + z + es = quizzes
obey + s = obeys
fizz + es = fizzes
weigh + s = weighs
seem + s = seems
brush + es = brushes
cough + s = coughs
tr\begin{align*}\cancel{y}\end{align*}y + i + es = tries

Word Find

This Find is shaped like ‘ES’ because it contains twenty-two verbs that end with the suffix -es. See how many you can find. As you find and circle each one, copy it into the blanks below. If you can find more than twelve, you have done well. Twenty or more is super.

(In alphabetical order:)

1. blesses

2. bosses

3. clutches

4. dashes

5. dries

6. fixes

7. fizzes

8. fusses

9. gashes

10. guesses

11. itches

12. mixes

13. munches

14. pinches

15. pushes

16. scratches

17. searches

18. spies

19. squishes

20. tries

21. waltzes

22. wishes

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Date Created:
Feb 23, 2012
Last Modified:
Jul 07, 2015
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