The document provides a lesson on suffixes, defining a suffix as letters added to the end of a word to form a new word. It gives examples of common suffixes like -s, -es, and -ing and how they can change a word's part of speech or tense. The lesson explains how suffixes are used to modify root words and form new words, including forming plurals, changing verb tense, and creating adverbs.

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Área: ENGLISH Asignatura: ENGLISH Curso: 3rd
Fecha: 15-21 Periodo: II Horas: 12hr Semana: 2
Tema: Suffixes
Indicador Thestudentwill be abletodefine a suffix and use and use
de Logro
a list of suffixestoform new words.
Exploración
Whatis asuffix?
Contextualización
Thestudentknowshowtouse suffixestoform new words.
Conceptualización
Suffix: is a letter or group of letters added to the end of a
word to form a new word the meaning of which is usually
different from that of the original word.
The Most Commonly Suffixes
s es ies er en d t ed ly ing les ful
s
EMOCIÓN

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Parts of a word
EXAMPLE: LOOK AT THESE WORDS:
EAT
EATEN
EATING
THE WORDS EATEN AND EATING COME FROM THE
SAME WORD EAT.
EAT- IS THE ROOT WORD/BASE WORD BY ADDING THE
LETTERS EN AND ING, AT THE END OF THE ROOT
WORD. WE GET TWO DIFFERENT WORDS AND THESE
ENDINGS ARE CALLED SUFFIXES.
SUFFIXES MODIFY THE ROOT WORDS TO WHICH THEY
ARE ADDED.
EXAMPLE: THE ROOT WORD EAT.

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EAT-VERB/ACTION OF TAKING IN FOOD, HOWEVER THE
WORD EATER-REFERS TO THE PERSON OR NOUN WHO
EATS.
THE SUFFIX –ER MODIFIES THE ROOT WORD EAT FROM
A VERB TO A NOUN.
A: How do we use suffixes?
Using Suffixes.
 We use suffixes to form plurals or nouns.
Example:
Suffix
-s
-es . Sandwich can be change to its plural form by
adding the suffixes –es. Sanwiches.
-ies. Daisy can be change to its plural form by
adding the suffixes –ies( we replaced – y for –ies)
-en. Ox can be change to its plural form by adding
the suffixes –en. Oxen
 We use suffixes to change the tense of a verb.
Example.
Suffixes common suffixes added to the base/word

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-s paint- paints (present tense)
-es teach- teaches(present tense)
-d advise- advised( past tense)
-ed paint- painted(past tense)
-t bend- bent( past tense)
-ing paint- painting( present participio)
 We can also use suffixes to form an adverb.
Example:
Suffix added to an adjective.
-ly quick – quickly.
Commonly used Suffixes
Example:
Painter root word + suffix
Paint + er = painter
Sing + er= singer
Help + ful= helpful
Care+ less = careless
They have been formed by adding the most
commonly used suffixes er, ful, a nd less.
Suffix –er is used at the end of a root word.
Root word = paint + suffix –er + painter.
For root words ending in –er, only –r es added.

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Example: make + -r = maker
Drive + -r = driver
If the root word ends in –y, the –y is dropped and
replaced with –ier. Example:
Happy – y = happ + ier = happier
Lazy – y = laz + ier = lazier.
The suffix –ful is used at the end of root word.
Example:
Help+ ful = helpful
Care + ful = careful
The suffix –less is used at the end of rootword.
Example:
Help+ less = helpless
Care + less = careless
Modelacion
ACCI
ÓN

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Producción

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Video1: Watch the Videos and Practice.
Taller
EVALUA
CION
Work on your nouns worksheet. (The Teacher gave you at school).
Story Town Teachers Book 1. 3