PREFIXES AS WORD EXTENSION, MAKING FOR NEW MEANING

WEEK 2 SS2 ENGLISH STUDIES                                                         

TOPIC; PREFIXES AS WORD EXTENSION, MAKING FOR NEW MEANING

SPECIFIC OBJECTIVES; By the end of today’s lesson, the students should be able to;

             A. Define a prefix.

B. Give at least ten examples of a root word.

C. Use selected prefixes to form antonyms of the root words.

INTRODUCTION: Words can be grouped under various headings according to their forms ,sounds meanings and so on. One major source of word formation is known as affixation.affix is a letter or agroup of letters added to the beginning or the end of a word to change its meaning or the way it is used. Affixation can occur in two forms, namely: prefix and suffix.

PREFIXES

Prefix is a letter or a group of letters placed before a rootword to modifyits meaning. A prefix added to a word usually does not change the word class( the part of speech) of the root word. EG ; dis-,out-, un-, non-, mis-, il-, im-, bi-, extra-, super-,mal-, fore-, poly-, mono-, under-,etc.Knowing what a prefix means will help one understand the word to which the prefixisadded to.

For example

PrefixmeaningExample

Anti-againstantisocial

Un-notunhappy

Mono-onemonotone

Re-backreturn

Bi-twobicycle

Some prefixes have negative implications. Theyareused to form the antonyms of the root word. For example ;

Prefixwordantonym

Un-lawfulunlawful

Mis-managementmismanagement

Il-legalillegal

Ir-regularirregular

Im-possibleimpossible

In-equalityinequality

Dis-advantagedisadvantages

Non-profitnon-profit

ASSIGNMENT

Use a prefix to form the antonym of the words below;

1 .modest

2 .behave

3 .dote

4. logical

5. regulate.