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# 4.1: Sometimes -s, Sometimes -es

Difficulty Level: At Grade Created by: CK-12

## Sometimes -s, Sometimes -es

1. Usually when you use a noun to refer to more than one of something, you add the suffix -s.

The statement above is a good one, but there are some nouns for which it is not true. Sometimes when you want to refer to more than one of something, instead of adding s\begin{align*}\mathrm{-s}\end{align*}, you add -es.

2. Some of the singular nouns below take s\begin{align*}-s\end{align*} to form their plural. Others take -es.Combine each singular noun with its suffix and write out the plural nouns. Show any cases of final <e> deletion:

Singular Noun + Suffix = Plural Noun
finger + s = fingers
hous\begin{align*}\cancel{e}\end{align*} + es = houses
box + es = boxes
brush + es = brushes
father + s = fathers
danc\begin{align*}\cancel{e}\end{align*} + es = dances
catch + es = catches
guess + es = guesses
plac\begin{align*}\cancel{e}\end{align*} + es = places
speech + es = speeches
pitch + es = pitches
phone + s = phones
waltz + es = waltzes
supris\begin{align*}\cancel{e}\end{align*} + es = surprises
inch + es = inches

4. Sort the fifteen singular nouns into the following two groups:

Singular Noun that Take -s Singular Noun that Take-es
finger house
father box
phone brush
dance
catch
guess
place
speech
pitch
waltz
surprise
inch

Teaching Notes. In this lesson the students do the analysis that they will use in the next lesson to begin sorting out when to choose -s and when to choose -es.

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