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Glossary: affix

Explanation

A short element which is added to a word to create a different word form or a new word. For example, adding -ise to terror makes the word terrorise. An affix can be either a prefix, added at the beginning of a word, or a suffix, added at the end.

Building words

Exploring the internal structure of words

Goals

  • Identify prefixes, base words, and suffixes.
  • Build words by combining prefixes, base words, and suffixes.
  • Demonstrate an understanding of word classes by identifying the word class of the newly derived words.
  • Demonstrate an understanding of derivational morphology by using newly derived words in sentences.

Lesson Plan

The Activity page appears in the menu entitled 'This Unit' in the upper right.

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Morphology - an introduction

In this lesson, students explore word morphology. Morphology is an area of language study concerned with how words are formed. While syntax is about the larger structures formed when words are put together, morphology is about the structure within words.

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Morphology - an introduction: Activity 1

Activity 1: Finding word parts

From the list below, pick out the words that are complex. Can you break them down into meaningful parts?

  1. bread
  2. sunshine
  3. fossil
  4. sleepwalker
  5. unhappy
  6. umbrella
  7. rebuild
  8. laughing

There are some further questions on the next slide.

Now look at the parts of the words that you have found. Which ones can be used on their own?

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Morphology - an introduction: Activity 2

Activity 2: Same word or different words?

Would you say the following are different words or the same word?

  • hesitate, hesitates, hesitated, hesitating

It depends what we mean by ‘word’! In one everyday sense, they are all different words.

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Morphology - an introduction: Activity 3

Activity 3: How many words?

Look at the sentence below and answer the following questions:

  1. How many different words, in the sense of dictionary words, are there?
  2. Which items can be grouped together as forms of the same word?
  • I think teasing tigers is unwise, because I teased a tiger once and barely escaped alive.

 

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