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English Grade 8 (Jan. 18-21)
I. Objectives
 Identify the words that have affixes in given sentences.
 Re-arrange words with prefixes and suffixes to create new words
 Demonstrate their understanding in affixes through recitation.
II. Subject Matter
Topic: Affixes
Materials: Powerpoint Presentation
References: http://www.grammar- monster.com/glossary/affixes.htm
III. Procedure
A. Pre Activity
1. Checking of attendance
2. Motivation (Video clip “ Prefixes and Suffixes” )
B. Activity Proper
Properties of a Roots
 It is the main part of a word
 Must be at least one in one word.
 Word part from which other words grow, through addition of affixes.
Free roots- can stand alone to function as words.
Ex.: recollect, bilingual, international, attractive
Bound roots- cannot stand alone to function as words because they are no longer
used in Modern English.
Ex. : receive, reduce, internet
Properties of affixes
-Subordinate part of a word
There are two kinds of affixes and these are prefixes and suffixes.
o Prefixes- these are the words that is added to beginning of a word.
o Suffixes- these are the words that is added to the end of a word.
2 kinds of Suffixes
o Grammatical/ Inflectional Suffixes
o Derivational Suffixes

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C. Post Activity
From the given sentences, identify the words that have affixes and
tell the root word on it.
1. My nationality is Filipino while my friend is American.
2. The boy had an accident that makes him disabled.
3. The Christmas occasions is very meaningful to Filipinos.
4. The internet is being use internationally.
5. Do your unfinished works in my computer.
D. Generalization
1. What is root word?
2. What are the two kinds of affixes?
3. What are the two kinds of suffixes?
IV. Evaluation
From the given words below, make new words by adding affixes on it. Write
at least 3.
 Explode
 Expose
 Civil
 National
 Form
 Legal
 Connect
V. Assignment
Search and write the lyrics of any song. Encircle the words that
uses affixes.
Grammatical/ inflectional Suffixes Derivational Suffixes
 Does not change the class of a word.
 They simply add grammatical information.
Example:
Plural nouns (s) They have two apples
Possessives (‘s) It is John’s apple.
Third person (s) John eats apple.
Tenses (-ed, -ing) We played yesterday.
I am eating right now.
Comparative Degree I am prettier than you.
Superlative Degree I am the prettiest among
among them all.
 change the class of a word
Example:
Adjective quick
Adverb quickly
 He had a quick snack.
 He ate the meal quickly.