Words with prefixes En and Un - 4.6 | 4 Unit | CBSE Grade-9 English - Words and Expressions
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4.6 - Words with prefixes En and Un

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Interactive Audio Lesson

Listen to a student-teacher conversation explaining the topic in a relatable way.

Understanding the Prefix 'En-'

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Teacher
Teacher

Today, we will learn about the prefix 'en-'. This prefix means 'to cause to be' or 'to put into'. Can anyone give a word that starts with this prefix?

Student 1
Student 1

Enlist! Like joining the army!

Teacher
Teacher

Exactly! 'Enlist' means to join the armed forces. Let's think of another example. Who can help?

Student 2
Student 2

Enable! It means to make something possible.

Teacher
Teacher

Great! 'Enable' shows how the prefix can transform the meaning. It's crucial to recognize that 'en-' adds a sense of action or change to the word.

Student 3
Student 3

Can we use 'enrich' too?

Teacher
Teacher

Yes! 'Enrich' means to improve or enhance the quality of something. Remember, 'en-' relates to making something better or causing a change. This is key!

Teacher
Teacher

To remember, think of 'en-' as 'enhancing' or 'entering into' something. Let's move on to 'un-'.

The Prefix 'Un-'

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0:00
Teacher
Teacher

Now, let's discuss 'un-'. What does this prefix mean?

Student 4
Student 4

It means 'not' or 'opposite of'?

Teacher
Teacher

That's right! 'Un-' negates the term. Can anyone give me an example?

Student 1
Student 1

Unhappy! It means not happy.

Teacher
Teacher

Excellent! 'Unhappy' shows how 'un-' changes the word's meaning completely. What about 'unable'?

Student 2
Student 2

It means not able to do something.

Teacher
Teacher

Correct! This shows how 'un-' indicates a lack or denial of something. Now, let’s create a memory aid for these prefixes.

Teacher
Teacher

To memorize, think of 'un-' as 'undoing' or 'not doing' something.

Exercises with En- and Un-

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Teacher
Teacher

Let's practice! Can anyone create a sentence using a word with 'en-'?

Student 3
Student 3

I will enlist for the science club!

Teacher
Teacher

Excellent sentence! Now, how about 'un-'?

Student 4
Student 4

I felt unable to finish my homework last night.

Teacher
Teacher

Great! Now let’s do a quick exercise. I’ll say a root word, and you’ll tell me if we need 'en-' or 'un-'. The first word is β€˜able’.

Student 1
Student 1

Unable!

Teacher
Teacher

Correct! Remember, 'un-' for negative. Next word: 'list'.

Student 2
Student 2

Enlist!

Teacher
Teacher

Great job! Prefixes are powerful tools in language.

Review and Summary

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0:00
Teacher
Teacher

Let's review! Who can tell me what 'en-' means?

Student 3
Student 3

'En-' means to cause to be or to put into.

Teacher
Teacher

Right! And what about 'un-'?

Student 4
Student 4

'Un-' means not or the opposite of.

Teacher
Teacher

Exactly! Super analysis everyone! Remember, words matter, and knowing these prefixes helps us expand our vocabulary.

Teacher
Teacher

Can anyone summarize a key point from our discussion today?

Student 2
Student 2

Prefixes change the meanings of words and knowing them helps us understand sentences better.

Teacher
Teacher

Fantastic! Keep practicing these, and you'll deepen your understanding of vocabulary.

Introduction & Overview

Read a summary of the section's main ideas. Choose from Basic, Medium, or Detailed.

Quick Overview

This section focuses on understanding the prefixes 'en-' and 'un-' and their impact on word meaning.

Standard

The section explains the use of the prefixes 'en-' and 'un-', providing examples and exercises aimed at enhancing vocabulary. It discusses how these prefixes alter the meaning of root words and includes activities to solidify understanding.

Detailed

Words with Prefixes En and Un

In this section, students will explore the prefixes 'en-' and 'un-', both of which contribute significantly to the English language by altering the meanings of root words. The prefix 'en-' is typically used to indicate 'to cause to be' or 'to put into', while 'un-' usually denotes 'not', 'opposite of', or 'reverse of'.

Significance of Prefixes

Prefixes are vital in English as they can significantly change the meaning of words. Understanding how to use these prefixes can enhance vocabulary and comprehension, enabling students to decipher the meanings of unfamiliar words more effectively.

Examples

  • En: Enlist (to sign up), Enable (to make possible), Enrich (to enhance).
  • Un: Unable (not able), Unachievable (not able to be achieved), Unprepared (not ready).

Importance in Context

Recognizing how prefixes modify basic terms allows for a better understanding of context in sentences, contributing to improved reading comprehension and linguistic skills. Exercises within this section include identifying prefixes in vocabulary, completing activities to form words with the correct prefixes, and using them in sentences. The hands-on practice reinforces learning through application and interaction.

Youtube Videos

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20 examples of prefix or suffix in english #prefix words #grammerenglish #grammar #short #viral

Audio Book

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Understanding the Prefix 'En'

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En
Enlist
Endangered
Enable
Enrich
Entrust

Detailed Explanation

The prefix 'En' is used to form verbs that mean to cause or to put into. For example, 'Enlist' means to join or enroll in a service or endeavor. Similarly, 'Enable' means to make someone or something able to do something. Each of these words takes a noun or an adjective and transforms it into a verb indicating action or process.

Examples & Analogies

Think of 'Enable' like having a key that unlocks a door. When you enable someone to do something, you are providing them with the tools or permission needed to access a new opportunity.

Understanding the Prefix 'Un'

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Un
Unable
Unachievable
Unprepared
Unaware
Uncertain

Detailed Explanation

The prefix 'Un' is commonly used to negate the words it is attached to. If a word begins with 'Un', it transforms the meaning to its opposite. For instance, 'Unable' refers to the state of not being able to do something. Similarly, 'Uncertain' means not sure or without certainty. This prefix is very helpful in modifying meanings to communicate the opposite concepts.

Examples & Analogies

Imagine a light switch; turning it off can be seen as applying the 'Un' prefix to the light. If you are 'Unaware' of something, it’s as if the 'light' of information has been switched off, leaving you in the dark.

Definitions & Key Concepts

Learn essential terms and foundational ideas that form the basis of the topic.

Key Concepts

  • Prefix: Important building blocks in English that modify meanings.

  • En-: A prefix indicating the action of causing to be.

  • Un-: A prefix that denotes negation or the opposite.

  • Vocabulary Expansion: Using prefixes allows for richer word choices.

Examples & Real-Life Applications

See how the concepts apply in real-world scenarios to understand their practical implications.

Examples

  • En: Enlist (to sign up), Enable (to make possible), Enrich (to enhance).

  • Un: Unable (not able), Unachievable (not able to be achieved), Unprepared (not ready).

  • Importance in Context

  • Recognizing how prefixes modify basic terms allows for a better understanding of context in sentences, contributing to improved reading comprehension and linguistic skills. Exercises within this section include identifying prefixes in vocabulary, completing activities to form words with the correct prefixes, and using them in sentences. The hands-on practice reinforces learning through application and interaction.

Memory Aids

Use mnemonics, acronyms, or visual cues to help remember key information more easily.

🎡 Rhymes Time

  • 'Un- means no, it’s easy to show; like in unhappy, it clearly flows.'

πŸ“– Fascinating Stories

  • Once, a hero called Enable helped people become what they aspired to. His counterpart, Unhappy, always found himself not able to smile.

🧠 Other Memory Gems

  • Enrich and Enable both add value; Un- takes it away!

🎯 Super Acronyms

E for Enrich, and U for Unhappy, changes the scene.

Flash Cards

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Glossary of Terms

Review the Definitions for terms.

  • Term: Prefix

    Definition:

    A syllable added to the beginning of a word that alters its meaning.

  • Term: En

    Definition:

    A prefix meaning to cause to be or to put into.

  • Term: Un

    Definition:

    A prefix meaning not or the opposite of.

  • Term: Enrich

    Definition:

    To improve or enhance the quality of something.

  • Term: Enable

    Definition:

    To make something possible.

  • Term: Unachievable

    Definition:

    Not able to be achieved.

  • Term: Unprepared

    Definition:

    Not ready.