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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
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本帖最后由 billzhao 于 2014-2-21 23:58 编辑 , ~3 F! R; k- E8 D8 I5 c+ y  ]7 {
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The Flap
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8 R& j- w# q# y6 |5 Q2 cA flap occurs in three situations.
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  1. A flap occurs when a 't' comes between two vowels. The pronunciation of the 't' in these incidences sounds
' z  m' z. S2 G4 I0 a      like a 'd' and is said very quickly.
' `: q+ _' k: B4 ?$ ]/ b8 Q4 @; o: S                                     ( ^9 j& s+ Y- i
        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.
; j1 f( {% g1 o3 P                                     ! }% y8 `7 T# @" b) F$ j; B; j
                
4 o7 j% k& c* O$ @' C, d1 a- R  water becomes wader* e! p" O! {1 t! b
  Do you need some water?
$ y+ H, j0 Y' k! m1 J                 
# K+ h3 x: {+ W2 d" i  letter becomes ledder4 q, Q! S/ Z# [/ k) O
  The letter was in the mailbox. # ?) F& n* }. y; f) ^( e2 S+ N* E
                   f. E) u; H9 g. O
  bottle becomes boddle
2 |# w; _( _4 [4 t& ]7 e) N7 O9 s  The bottle broke when it hit the floor. 7 u" N& Z7 q0 g7 L, O) ]6 E
                 4 v; \, ~3 e  ?2 P- e
  butter becomes budder) [& Z2 a1 G1 ^
  The butter melted in the sun.
' ~# ~* X9 k7 ]7 ~4 ^                                     $ Y1 v& R8 F( }6 P7 h* \
  2. Flaps also occur when a 'd' comes between two vowels. The 'd' is still pronounced with a d sound, but it is5 z( p7 a: b" J
      said very quickly. In the normal pronunciation of the d sound the tip of the tongue is placed on the tooth
; I; I$ J+ {& p: t4 `" |      ridge (the area where the top front teeth meet the top of the mouth) before the expiration of air to produce1 ?( q& q+ |5 Q3 U
      the sound. With a flap, the tip of the tongue barely touches the tooth ridge and the 'd' sound is made very5 R1 i" @9 [/ x1 s3 t$ C1 b
      quickly.   
& }% V8 `6 p' R+ f6 ^' t( |$ f                                     
! x% T  V4 Y( u9 B0 J$ }( ^+ m; h, Y         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.
& `  o  I; }* a7 c; W                                     6 f: ^7 L, u) S0 D: J9 t
                   medical        She is a medical student.
4 I7 t4 @, C, r4 o2 p( A                    sediment             7 ?' M+ J/ y9 \
The sediment on the river bottom is course sand.
* J, \6 D! E* N6 X% h- M " l- U8 R5 h, a. \7 b
                   cadence           
; X8 s1 J& \* T( {$ B- v2 O+ ADrums keep the cadence in a marching band.; E" t! E& n( S: [* q; x$ [

- S3 N# R+ N, H, U7 d; h; [                    cider         This apple cider is great.: p7 H; l- L% {6 w
                   spider        A spider has eight legs.8 d, ~: L* h" x- B. o
                                    
+ Q/ j6 {' P3 F- G- Y) q! U  3. The third flap occurs when with linking of the consonant final letter of one word and the vowel letter of the/ m! Y4 {( I& [
       next. (see section on linking)
& Z* E& K! Y4 L: b                   0 t& p5 Q4 s. Y7 v) r
        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.
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           'right away'  becomes righ(d) da  way" J2 w5 X/ s. o( Y$ n4 H* U" \
          I'll get your bags right away sir.
# w0 Y& w) t; P5 @3 J: L+ C* d/ T4 }3 }# W: |8 s" J* X) C

/ z) ^9 W  Y8 `2 M: a                   
: r: p" A8 R, r6 A$ j            'what if' becomes whad dif8 T- p0 g4 u$ y3 {: [9 f
          What if we go to Paris for vacation?: d) ?: t# Q0 X4 w6 z

4 `1 N% L7 ^4 |( a
4 P; T) C' D0 D4 F6 v! e1 ]8 T, S6 H                   
# m) |2 B8 s; r2 q0 C+ k. Z! l+ a             'might I' becomes migh(d) di          5 k% G* F! e* d) t' ^- ^2 U3 e
           Might I suggest a new tie?; T) i5 _7 j5 w
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        . y" }5 c. B# S
Note: The flap does not occur in some words (what, that) if they are spoken alone, without other words to8 {" ~( M0 N* _5 }6 j
          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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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.
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1 q8 F6 h: |; q. D                            8 I" W+ |7 }3 j. X( H
        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.% ]  B: K& w, \* R; W
                           9 [& P. G* h# u9 N
        : L& X& ]! G5 t- u6 E
    'eaten' becomes ea'n  , o0 E5 [+ A. B
   Have you eaten yet?2 l! f1 t' T7 e, T, R( T+ i& a
       
; [! g* K6 ~& ^& F1 y7 g    'satin' becomes sa'n  3 X5 w5 h; t& c
   Satin sheets are nice to sleep on.7 c, E8 ]3 `0 {, p
        . e1 [; S9 }! U  w+ e
    'sentence' becomes se'ence
+ e. @" o8 D$ j8 c9 k, M& E( W- D   This sentence makes no sense.
1 d# \5 o; v! p. i4 ]$ l1 y        
8 @6 a& [+ V; p) c! H, B" q    'mountian' becomes moun'n    & u9 Z; V5 R7 C3 X/ v  e1 B  w
   I'm not much of a mountain climber.
. @& Y; @2 i2 h7 g/ |        
- t1 y8 T7 I8 J; M    'getting' become ge'n        - ]+ }1 p2 D; g5 a
   I'm getting to old for this.
& |) k" {% P: O; H" s8 ~        
. o# q2 r- ]% F4 V/ }8 l1 Q3 `& c! V    'button' becomes but'n    ; E% Q9 {$ r8 x$ n+ B2 V
   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! O0 C7 v0 w+ ~- t" I2 D$ x2 @
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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.
0 J& ~5 v( O. h# @                                              
  `; T: g% ~+ j2 z3 o% g9 k: j( H   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.; B* Q( y( ]) ~# h$ \  h
   Then the word is used in a sentence.
- |7 f3 y" N( N& G* U                                              
2 h( y# `3 }) p6 W: ~3 |: d' \         ( h; G  X1 r. c* K
   'We can swim' becomes we kn swim  7 d2 Y5 v9 H' Q6 U; _) ^  c* _
   We can swim in the lake.
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6 ^( U. e- ^# n1 _. K: K         & p& j3 B# D9 r# f. v* W1 n4 B
   'I can cook' becomes I kn cook.
, d0 u9 q! S+ \% }   I can cook pizza.
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, _1 S+ h9 J& I) r         1 N- C9 h0 l1 A( J3 v
   'She can read' becomes she kn read  
, n/ n: a! w; ~1 J; r/ r4 V   She can read Italian and Russian.
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- ~$ {% y6 y  v         % W" z! ?4 D& N; b
   'They can ride' becomes they kn ride.
9 H& u/ v$ r) L- W+ E% X   They can ride on the roller coaster.
) C! k" ^; q3 X. f9 Y - c6 t7 J* _+ y# q1 l; d' j  R0 T# g
                                             
2 V& C5 s9 T  D+ |- r# M, [; z0 d" b) GIn 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.
( c; P' M$ ]" q$ @5 X) f" `                                              
& a& A; E; S4 }  J- p2 Q   Listen to these sound changes. The first sentence is with can, the second with can't. Note that both the modal and main1 W8 y3 |3 O, Y
   verbs are stressed in the negative sentence.; A2 z/ A0 F: R- q# c& e
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  'We can't go' becomes
7 _- o+ `1 ?5 X) Q   We KAN' GO.  6 F$ q/ Y* d5 d

3 B* u! X7 S1 Q9 oWe can go to the movies.
, n: U7 w; s% s9 ~! [  K0 oWe can't go to the movies.
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        ; y8 w  T& r0 X$ n
  'Larry can't speak' becomes+ I: g5 A% w9 w; {; s6 ^+ K9 |
   Larry KAN' SPEAK.
; s. r9 o* l( A, b/ Q% H9 }, ~& u2 h& T, Z6 M9 x
Larry can speak French.
& A. e/ ^: n! X" p) b1 O+ wLarry can't speak French.! J7 h! Z# s# d! u  U; h7 h
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        3 ?% B/ \9 h- s$ ?2 d  L# V+ D
  'She can't do it' becomes5 Y) h7 j/ r, d6 `& h9 ]/ K
   She KAN' DO it    7 Z$ y7 s  ~* t2 S4 B9 r0 N

# i% v: Z4 K6 C$ w2 lShe can do it.
4 F2 }; }" `) M  i  YShe can't do it.# C4 L+ u1 S$ }8 O) H

$ K% o$ p2 j5 {         7 m7 j; T# q: O! y% d* V
  'Some people can't sing' becomes
) @. \/ r. J+ U9 _3 v+ u( G$ x  O   Some people KAN' SING
8 e! A% v$ w0 D. p6 ^: pSome people can sing.9 X! y% w$ _) R+ y- g- l* N
Some people can't sing.4 n2 x3 _3 R$ X+ t# E5 e% K8 Z5 T

+ ]2 u6 Q# r( y6 X8 Y                                              
6 a* a5 o' z% M4 ^If the next sound after 'can't' is a vowel, a flap occurs as in 'She can't  ignore it'. (... can't  tig-nore...)7 o0 _. H. N2 X# I- K3 c/ o
                                             
- O$ |+ z3 a" a. W! ]' s& G7 r   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.
# w  [/ n& g; u& s4 X" Q: V   Then the word is used in a sentence." Y; y* o& M7 p' }# K
                                             + v4 Q$ r+ h' @" }9 a( E) B
       
% |/ S* ~& Q: \1 ~; G   'can't attend' becomes can't  attend. (... cand da-ttend)
; T: c: c; `3 i7 D* K   We can't attend the concert.
/ Z6 N* }6 \0 }+ b5 S         ( ]1 t% I8 Q2 t/ i! J9 J  I
   'can't invite' becomes can't  invite  (... cand din-vite...)& b1 n+ O- \1 z, B, B) D7 e8 i. t, O
   Wally can't invite her to the party.* ^/ {( Z( n! L; K# F3 D
        $ ?6 P8 p# X/ h8 z
   'can't answer'  becomes can't  answer (.. .cand dan-swer)/ X7 D3 F2 ~+ r1 ?. N! v8 B
   He can't answer the question.: z2 z) [9 z/ C% c

# @: I: f6 O* S        
+ @9 V. M# R" i   'can't understand' becomes can't  understand (... cand dun-der-stand.. )
. h. Y: j- W* G# `   I can't understand what you are saying.
鲜花(152) 鸡蛋(1)
 楼主| 发表于 2014-2-21 23:55 | 显示全部楼层
老杨团队 追求完美
Negative Contractions
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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)6 I( L. ]9 l5 V3 W% M; T
% P7 S/ u# e$ `6 p9 U+ z8 Y
                  2 V( D9 H' P! s& K" r8 ^
     Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound, W1 Z1 U8 z# u7 c
     changes. Then the word is used in a sentence.
! \( Z. v# F6 {( \. g                           3 Y' `- O9 W! e: I' @; H8 L+ n
        0 g, g! F) ?; z) K6 ^3 `2 |
    'wouldn't'  becomes wouldn'      
% M6 F& o) R- T) a& Z% u   Why wouldn't you go to the dance with me?
7 T) \2 B; t. `! t         * f' c2 U8 N: V% Y8 r8 w0 Q3 W
   
+ [; W* Y5 J: B/ m7 S
4 C. s2 d  ~0 g" S/ \5 s9 s, l        
) j0 p* B' ]; l5 j    'couldn't' becomes couldn' ! T/ W* V- a! @" I- f& t3 k; j
    I couldn't do it because I was sick.
* I$ u4 u+ M/ d' O" o$ u" I        
1 ^+ h4 {) d& K% s   
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6 h. L& j1 O& R( _  y* }, p         ; l. o" b- _8 R) M
    'shouldn't' becomes should'n         
4 e; w" L1 d2 |3 k8 m8 [5 n, L   He shouldn't have eaten the apple.
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    5 n* Z& C+ \$ \/ t; ?
7 ~" I; k2 Z/ ~( z9 |
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    'doesn't' becomes doesn'5 D5 ]; A% S$ ^7 H( T. G
   Larry doesn't study hard enough.
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