VIETNAM NATIONAL UNIVERSITY, HANOI
UNIVERSITY OF LANGUAGES AND INTERNATIONAL STUDIES
FACULTY OF POST GRADUATE STUDIES
NGUYỄN THỊ THƠM
A STUDY OF COMMON ERRORS MADE BY STUDENTS IN PRONOUNCING
ENGLISH CONSONANTS AT WORLDLINK ENGLISH CENTRE
(NGHIÊN CỨU NHỮNG LỖI PHÁT ÂM THƯỜNG GẶP KHI PHÁT ÂM CÁC
PHỤ ÂM TIẾNG ANH CỦA HỌC VIÊN TẠI TRUNG TÂM ANH NGỮ
WORLDLINK)
M.A. Minor Program Thesis
Field: English Language Teaching Methodology
Code: 60140111
Hanoi, 2014
VIETNAM NATIONAL UNIVERSITY, HANOI
UNIVERSITY OF LANGUAGES AND INTERNATIONAL STUDIES
FACULTY OF POST GRADUATE STUDIES
NGUYỄN THỊ THƠM
A STUDY OF COMMON ERRORS MADE BY STUDENTS IN PRONOUNCING
ENGLISH CONSONANTS AT WORLDLINK ENGLISH CENTRE
(NGHIÊN CỨU NHỮNG LỖI PHÁT ÂM THƯỜNG GẶP KHI PHÁT ÂM CÁC
PHỤ ÂM TIẾNG ANH CỦA HỌC VIÊN TẠI TRUNG TÂM ANH NGỮ
WORLDLINK)
M.A. Minor Program Thesis


 !"#$%$
Hanoi, 2014
PART I: INTRODUCTION
1. Rationale
&$'(
( )  *$' $  +&$ $

7    8 9  $/    (      &
50 :&0+
7-;$&<0 
4. Methodology of the study
   (    &  $     +     4
+( =
+$+($+
    +  $                7  )))  9

5. Design of the study
$+'+
Part I: Introduction: 
Part II: Development
Chapter I: Literature Review:
Chapter II: Methodology:
Chapter III: Results and discussion:
Part III: Conclusion
PART II: DEVELOPMENT
CHAPTER I: LITERATURE REVIEW
1.1. English Pronunciation
>$&+$$+'
<0?8@' A++
B7+$?A'&
$+'($&+$+
($?A+'C 
'D?8A$++
+&(
Figure 1: Features of pronunciation
(Adapted from Kelly, 2000)
1.2. The English Consonants

+
& = =9

7 * I
 = J
-9  
ƫ
K 0
ʔ
 & 
2 $ 
ɲ
L
 * + 
ʂ
: 
*  3
ʐ ɣ
2 )
?=+$'8EA
Table 3: Vietnamese final consonants
6& = *
   0
2 $  L
29 9( 9/
?=+$M$' A
1.4. A comparison of English consonant and Vietnamese consonant
)    +   &0   (    ,  + (    
*$++'$
&(*$$( =)


)  ?8A  &     $  +   (   ( +
(++(N++ (
&+$++

$()&?88A(
(4++++
&+( )+(+
$+++ 5
++  &(    (  '    +        
 +  ' $'     (  ?$
3EEFA 
1.6. Intelligibility and Intelligibility problems in pronunciation
$&$& B
)&    &    &            $      
C?D('EFP' GA )('&B&C
)    '  &  0      (    $  
$$++ )$90&
&$0 !('$
&&$ D(?EFPA$
   (     & &$    
&'''0&(('+'
+$'+ =$$'$
  0  + &$  (      &'      
 
a. Sound substitutions
)+0&+'$+++
 :$'$0(BC
B0C(&OO0+ +'(
(0B+0CB+0C?  A 

'++(OUO($
$$$0+&/$+( 
CHAPTER III: DATA ANALYSIS AND DISCUSSION
)''+GE+(+$
(3&+'
>(+
 (3+(
+& +&(++1:
&$+(+
G  1
G 8 &1
G G 
3.1. Sound deletion errors
+++'$+&0
(&&( 
Table 8: Sound deletion errors
2X8


$ 2  +
)+$

OO  
OUO G G

OO G8G E
O&O  
OO F F
OO E F
OWO E E


OXOJO G 
OWOXOO @ @
OWOXOKO G F
 OWOXOO G@ F
OROXOO 8E E
OROXO3O @ G
OROXOO  
OWOXOKO P P
 OWOXOO 8E E
OOXOZO E E
OOXO)O E E
OWOXOKO G 
OVOXOUO  
O3OXOO F 
$$$&OWO'OROOO 
&$&+(+++$
 ++ 0( +    ' & + 
+$+:*$'
*$OWO'ORO 6'$
  ++  (  +      +          
'*$&++
+(+$1+'
&OO&($0($
$4( 
3.3. Sound insertion
Table 10: Sound insertion errors
2X8
&
+'$ =(&'OO

$&+$9+(. $
   +  + ( feel  full,  (
+$&OO&((OZOO^O )
$+'$+++((
$ &      $& +      (     '
OO'O&O'OO'OO'OWO'OO'O3O'O0O'OUO'ORO'ORO'OWO (OUOOO(
    (        $   +    (  $
+,OO'OO'OWO'$&+(&/
 5$'(OO'OO$$(
G8G@$ $+(soup, soap, chance,
house, and much &$($9
++(&/9OO$+(
ready (((+($
+P 
$&$&
4'&++$++*$
&$+$$0&+
&/+
)'$+$&
+50
 !('+&
• 4+
• )++0(+++
• 7&0
• ,
2. Implications
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$$$+
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