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你知道辅音 t 是如何变音的吗?

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鲜花(152) 鸡蛋(1)
发表于 2014-2-21 23:49 | 显示全部楼层 |阅读模式
本帖最后由 billzhao 于 2014-2-21 23:58 编辑
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The Flap
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* d$ U  O$ P: h" `0 ]8 x9 `A flap occurs in three situations.; R  ^, E4 d5 V9 R. Y
& j- M9 m. O9 y5 s
  1. A flap occurs when a 't' comes between two vowels. The pronunciation of the 't' in these incidences sounds
; }6 o4 S) o( b4 O- f      like a 'd' and is said very quickly.2 s2 M7 n) \* S) F& N
                                    
2 s' [% o! `7 U- W/ o         Listen to these sound changes. The first word is with proper enunciation, the second word is with the sound changes. Then the word is used in a sentence.4 x, a/ S+ d' H5 W9 U1 W
                                    ! W& X+ q& r. {" A- X  ?
                
' C1 b3 y, ^5 p' [9 W/ E; |. b  water becomes wader
. W4 b, b8 N  \4 L) t  Do you need some water?4 o8 B* ?% G1 O4 }
                 % E: }; p/ I( l; o' e' @7 b
  letter becomes ledder9 G8 B: [: `9 {/ a; h9 @
  The letter was in the mailbox. / y9 \# V9 J' I5 N! O; h! b1 L
                
6 Q# J  n/ G- `, `4 h, q  bottle becomes boddle
, x) e2 f9 t. g  The bottle broke when it hit the floor. ; ^3 p( }4 P4 `( |
                 * ]: |4 [" J* B$ ]
  butter becomes budder
/ v9 _; Y, u; J% ^( G$ J  The butter melted in the sun.
4 {4 a" G3 x5 V6 a                                     6 l: F+ W$ ^. a" g- ~
  2. Flaps also occur when a 'd' comes between two vowels. The 'd' is still pronounced with a d sound, but it is
) b. i. p' f! K      said very quickly. In the normal pronunciation of the d sound the tip of the tongue is placed on the tooth
+ @4 R! G( B" E8 V! I% n      ridge (the area where the top front teeth meet the top of the mouth) before the expiration of air to produce0 M7 k& m, s( [% B3 D, L
      the sound. With a flap, the tip of the tongue barely touches the tooth ridge and the 'd' sound is made very
) i0 R3 [8 W+ b# w: P& D5 e# P" p3 S      quickly.    / C% ~, i0 [* Q8 f: w# H5 [
                                    
* R" f# A! Y# x1 j1 d1 ^9 v9 T         Listen to these sound changes. The first word is with proper enunciation, the second word is with the sound changes. Then the word is used in a sentence.
0 g8 L& |% }1 S, R* p. Y; ?8 l                                     ) P) Y. E3 A8 r6 S% n$ K. z
                   medical        She is a medical student.
2 }6 f7 D  f  O" E( ?7 F/ i6 A                    sediment            
4 b: _; T; f1 R: h; Z' Y- ~The sediment on the river bottom is course sand.
7 M+ S( Z3 p1 O) k) {8 F& o ; n2 t, y2 l4 r% y' X2 f/ d
                   cadence            $ V) u% {4 c' p. Q( O* i' h( J
Drums keep the cadence in a marching band.$ a3 J+ D  ^3 n3 V: e

8 ~0 W' I) ?: a9 U4 _                    cider         This apple cider is great.
5 N" b/ W' F* q. ]: x                    spider        A spider has eight legs.6 f; e, q$ R4 y4 W( _
                                    * Z  I+ m& \  M, i: P
  3. The third flap occurs when with linking of the consonant final letter of one word and the vowel letter of the
) F( \& j7 p4 a# u) R9 n       next. (see section on linking)
9 l% b# U9 o) H  F0 M4 Q- d                   
" O& ]3 R- C# V/ _         Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes. Then the word is used in a sentence.# l& K3 B( [$ Q, e) t+ h, e7 t
                  
5 @2 B# o) {6 A6 W1 \+ `            'right away'  becomes righ(d) da  way+ N9 @5 b4 y; O6 u" u
          I'll get your bags right away sir.
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                  / Z  Z. B. h1 `8 c8 B/ u
           'what if' becomes whad dif
- ]1 t  i# m4 H          What if we go to Paris for vacation?
% K$ C  d4 H, ~0 g8 b3 ^6 M9 h7 x8 j0 Y8 u& x2 e. \

: P# e$ k! W8 [0 Y0 I9 c                   
+ G6 I$ z, H! ]. o2 w2 K. X7 L             'might I' becomes migh(d) di          0 {/ C/ X& \! Y# @
           Might I suggest a new tie?# e. @* P8 U! i* a, G, ^8 A) X5 H

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) o8 E) v! e2 g( ^" P7 Y) Z5 O        
* |8 F2 g; a* n6 lNote: The flap does not occur in some words (what, that) if they are spoken alone, without other words to
7 ~6 O1 j3 b  k/ U3 f          link to.
鲜花(152) 鸡蛋(1)
 楼主| 发表于 2014-2-21 23:52 | 显示全部楼层
The Glottal Stop
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. b# s' i% g+ S" n7 D, W- ~When a 't' is followed by a vowel + n syllable  (eaten), the 't' sound is replace with a glottal stop, which is a complete closing of the vocal cords for a short moment. A glottal stop sound can be heard in the pronunciation of the negative uh uh.2 E4 h9 w) P4 S# B

! M* [' t$ W- B* I5 W                            
1 a5 [  g% a& i) T( m* s: p4 P% W1 t         Listen to these sound changes. The first word is with proper enunciation, the second word is with the sound changes. Then the word is used in a sentence.; }0 s3 f  e3 ~, v8 G' g$ ~* m
                           
6 g+ n) |4 D5 M# ~: ?; q. C6 q* Z        
& t) E$ K5 W( G* @( K1 n% q    'eaten' becomes ea'n  
  y7 q) C5 Y; a4 ^: n- G0 x   Have you eaten yet?' r; d& t) V+ |$ H8 b# {& W
        ' _/ [# n# M, p+ o& L) a
    'satin' becomes sa'n  
, D- S" M% E; ?, H+ A+ b: w* g   Satin sheets are nice to sleep on.
2 g. V( b# W. z- C        
6 Y/ e( L, K% G6 H+ O5 F. d    'sentence' becomes se'ence
5 ?( J3 n, b( m; D, O7 N5 k   This sentence makes no sense.
  Q6 v2 f( V6 ]1 F9 m% P. ~2 x/ N        
  x6 |( k0 D2 k    'mountian' becomes moun'n    ! _( E" e( L: n7 S
   I'm not much of a mountain climber.
, H7 @3 d: ^& Z7 F% C% E         8 {- B$ x& r$ K/ u* m8 R& }
    'getting' become ge'n        ; S8 E/ P: B: ^: z  m9 P( O
   I'm getting to old for this.& d6 V4 B' `, ^( t; _; R
       
9 H0 L1 y+ G) O/ \5 K    'button' becomes but'n   
" j1 A- ^: g9 W- X- g: L   Sam lost a button on his shirt.
鲜花(152) 鸡蛋(1)
 楼主| 发表于 2014-2-21 23:54 | 显示全部楼层
Can and Can't* t4 G3 q! b6 b0 |

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In an affirmative 'can', the can is pronounced as 'kn'. The modal verb 'can' in the sentence is unstressed; the main verb is stressed.) y0 y+ F7 E4 {1 f& C( A6 ^; z3 R
                                             # e3 |  o8 L. F5 K& D
   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.
9 I1 R8 M& ~. c5 V0 w2 B4 L% ]3 R   Then the word is used in a sentence.5 R* J% w( e& ?8 H% M
                                             ; T( h) [& Z% a
       
) D7 J+ O' M! l+ H( T. U   'We can swim' becomes we kn swim  ( G% B8 g+ L. e) d6 }
   We can swim in the lake.
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4 o4 |$ N+ E% |2 [6 ]# U8 s        
( L0 y/ @3 I- }. n2 V2 w7 ]$ ~, F   'I can cook' becomes I kn cook.  \8 L9 K% s# y" E6 m4 u$ p
   I can cook pizza.) S- e2 b8 W( J' f
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   'She can read' becomes she kn read  * [! N+ q6 c; n& T" x1 e
   She can read Italian and Russian.* c) W7 D; D8 W5 F4 ^
1 S. s3 o1 O8 T4 y' K

0 ?  B2 p% _1 k( u6 k+ l* |  J        
9 }; J) C8 G* e   'They can ride' becomes they kn ride.- b$ u# N' T+ c( K1 V( x. S
   They can ride on the roller coaster., `; y  u; G+ _; B7 {+ k
2 M1 m4 G( D/ i8 J, F( `  `
                                             
( g0 C! w& C  {0 g1 D0 NIn the negative, both the modal (can't) and the main verb are stressed. However the 't' in can't is dropped and replaced with a glottal stop if the next sound is a consonant.: t/ T0 I) X: ^5 ^8 X6 |
                                             " u) }' n6 N! T, @' J- I* o4 Q" \
   Listen to these sound changes. The first sentence is with can, the second with can't. Note that both the modal and main( f+ ?& E' m! N& s8 C
   verbs are stressed in the negative sentence.
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  'We can't go' becomes
2 t2 N$ f, C  b7 G   We KAN' GO.  
6 t& b/ l! l8 `% `9 g
% m) F5 c! \8 J: {; h+ z/ RWe can go to the movies.
- ^" q, J" p4 p1 ]  @$ hWe can't go to the movies.; J" w  v4 K2 |+ E2 \2 p

( Y7 f) N5 M4 K         9 V; W! B8 F2 [  @  b4 S
  'Larry can't speak' becomes$ a( B; f" f; Y: N4 w* G9 t' N! V0 Q
   Larry KAN' SPEAK., @" J' Y+ u1 J" v6 h9 X. c

7 R- n( s. O7 B  ]: |Larry can speak French.
5 C( \6 |' @" w% vLarry can't speak French.
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        / ?1 A# w$ z# q6 ~. Z% d4 f
  'She can't do it' becomes
) z9 S4 O: u; s, R   She KAN' DO it    & C% h/ j! O/ N9 e( e9 f
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She can do it.
5 ?7 _. z( y  K" ~8 x" f8 OShe can't do it.
6 r  W3 A) L: q
# D1 P  z0 O' p. d        
0 G9 a$ P/ M5 C& _( |+ I( s3 d  'Some people can't sing' becomes0 {) i3 ?; R$ L7 z; y
   Some people KAN' SING  |$ M! w* F/ L! J" n
Some people can sing.
, D2 }4 X4 W7 {) I& Q- OSome people can't sing.4 E4 s2 P. x& F; i1 V
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                                             + d1 ~( [: Q3 y, m' w
If the next sound after 'can't' is a vowel, a flap occurs as in 'She can't  ignore it'. (... can't  tig-nore...)9 \8 ~  k+ Y- J8 x: G: w
                                             
  D! N0 v4 H; x   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.
. A8 I  s8 P% _+ K& [  H+ _   Then the word is used in a sentence.% `* n6 ?" q$ v( ]
                                             ' T! ]3 _7 L6 R: b: Y
       
# |1 K. D& J6 z2 g: k4 a% U& a) w   'can't attend' becomes can't  attend. (... cand da-ttend)
8 c0 B0 X- N- U" p% T* Z& V   We can't attend the concert.1 [& @  x3 p( G
          p; x0 U  W( M
   'can't invite' becomes can't  invite  (... cand din-vite...)3 P% ]2 E& I5 i) v
   Wally can't invite her to the party.8 Q( m3 |8 D1 O& w$ Q$ [
       
* A$ {8 _% ^3 G$ b' V7 K   'can't answer'  becomes can't  answer (.. .cand dan-swer)9 }2 h8 I5 c& R+ @7 X; g
   He can't answer the question.
5 c: t; P0 T' _" J, i) [ 8 u9 T+ P. L+ I+ D
       
' X& X0 J3 E( e0 Z. X   'can't understand' becomes can't  understand (... cand dun-der-stand.. )& G0 N! T% m, ~
   I can't understand what you are saying.
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鲜花(152) 鸡蛋(1)
 楼主| 发表于 2014-2-21 23:55 | 显示全部楼层
Negative Contractions
4 i5 T/ B! [$ x* z( w  ~, L% F, Z. e& Y
Many times a native speaker does not pronounce the final 't' in a negative contraction (can not= can't, do not =don't, have not= haven't). The pronunciation is replaced by a glottal stop. (see above)# S. ^6 W. P0 s* d( L0 S
0 `6 \! _" _; Q; g1 C% b3 k
                  
0 ]! p0 K! ]( N+ k* m" c& u( L6 }     Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound
0 h4 G8 L1 o' W' C5 r) J     changes. Then the word is used in a sentence.) D9 b  |6 k& c8 z
                          - ?' W; J! r/ ~1 A9 l9 ~
        - U8 L' T; c8 o
    'wouldn't'  becomes wouldn'      
: a" g8 b. H2 m. w+ ?  ^, m( ]" k   Why wouldn't you go to the dance with me?
7 N! }& t$ C! R. j3 l         ( E9 B) [$ E: W
   
' }/ u& F/ D) _# [) e! }; p
- Y, r! ]8 F; Y5 I        
' w: g4 s  G2 h/ o0 q    'couldn't' becomes couldn'
; l6 }: k- c1 v: X# }) u    I couldn't do it because I was sick.
& Z- r5 O8 v! ^/ |$ D/ E        
6 N, M' G7 g+ C) W# k! W6 c    ; M8 D. |* K3 e
" A0 F+ H8 x# P" K: a) X, v
       
+ o! K/ v- k( @) f( W3 a9 O7 T    'shouldn't' becomes should'n          ! t+ y2 C$ L" [* g+ O/ p& P# A
   He shouldn't have eaten the apple.
! t) d( M6 E3 O        
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8 v7 q2 d1 [# V- X    'doesn't' becomes doesn'
! F- ~1 j9 O/ \8 d! Y3 g  J6 t   Larry doesn't study hard enough.
+ a" }. G! S  r4 B1 | 4 F6 M' h- \! h' @0 e; l0 L+ C
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