Lesson 9 vocabulary development (R, W) Prefixes and their meanings study skill prefixes



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LESSON 9

 

VOCABULARY DEVELOPMENT (R, W) 

Prefixes and their meanings 

STUDY SKILL Prefixes

 

Use prefixes to help you understand the meaning of a word.



 

Some prefixes give a word the opposite meaning. For example:



 

■ 

dis- gives the noun advantages the opposite meaning: However, there were some disadvantages. 

■ 

un- gives the adjective helpful the opposite meaning: The people were very unhelpful. 

Look at these other prefixes and their meanings



 

anti- (against) - anticlockwise 

sub- (under) - subway 

super- (above, large) - supervisor, supermarket 

pre- (before) - predict 

multi- (many) - multimedia 

Ex 1,2,3,4 



1.  Use a dictionary to complete the definition of prefix. 

A prefix is a group of letters that... 

2.  Match the underlined words in 1-6 with meanings a-f. 

Most drivers are impatient when they are at the traffic lights. 



I distrust most advertisements. 

J I want to buy an inexpensive watch. I haven’t got much money. 

It was irresponsible to let the children play in the busy street. 



It is unusual to have so much rain in the desert. 

Yuki and Toni had a disagreement. Now they are not speaking to each other 



3.  Add the negative prefixes in the box to the words in the sentences. Use a 

dictionary to help you. 



un- m- ir- im- dis- 

1.  Kim felt very happy when he saw the exam results. 

2.  Paulo ___ liked the new lecturer. He thought her lectures were difficult to 

understand. 

3.  It is difficult to learn all th e ___ regular verbs in English. 

4.  This exercise is possible. I can’t do it. 

5.  The essay is complete. You must write a conclusion. 

6.  It is moral to take money from the poor. 

a does not happen often 

b different opinions 

c cheap 

d not wanting to wait for something 

e not sensible 

f do not believe 




7.  Because the statistics were accurate, we had to calculate the results again. 

8.  Rafa is a very organized person. His desk is always tidy and he’s usually 

late for meetings. 

4. Match the underlined words 1-5 with meanings a-e. 

You should preview the document and then print it. 



After the success of her TV show, Belal became a superstar in her own country. 

J The film was in English, but fortunately there were subtitles. 

The antibiotic penicillin was discovered in 1928. 



The city centre has a multi-storey car park 



REVIEW 

Ex 1, 2 



1. Complete the words from Unit 7 with two vowels. 

 

ingred  __ nts



 

5

 



ar__

 

_nd



 

9

 



f__ld

 

J



L

 

on  __ ns



 

6

  cont    _ ns 



10

 b  _  Iding 

3

  m


 __ 

sure


 

7

 



c  __ 

 

ntrics



 

11

  r__son 



4

  s __ son 

8

  br_.  _d 



12

 mater


 __ 

Is

 



 

2. Skim the article about coffee and match the topic sentences with the paragraphs. 

There is one extra topic sentence. 

a In many societies coffee is an important part of the culture, b Coffee has a 

similar position in many western societies, c Originally coffee came from 

Ethiopia, in Africa, d Coffee is made from the roasted beans of the coffee plant.

a medicine for curing infection 

b with many floors 

c words at the bottom of a film/TV 

screen to help you understand 

d a very famous singer or actor 



e see before 


 

Document Outline

  • LESSON 9
  • STUDY SKILL Prefixes
    • Ex 1,2,3,4
    • 1. Use a dictionary to complete the definition of prefix.
    • 2. Match the underlined words in 1-6 with meanings a-f.
    • 3. Add the negative prefixes in the box to the words in the sentences. Use a dictionary to help you.
    • 1. Kim felt very happy when he saw the exam results.
    • 2. Paulo ___ liked the new lecturer. He thought her lectures were difficult to understand.
    • 3. It is difficult to learn all th e ___ regular verbs in English.
    • 4. This exercise is possible. I can’t do it.

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