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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 ; X( h5 i" A$ Z* S8 p% \- z. t& }
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The Flap
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A flap occurs in three situations.
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) ^" }/ v* }2 V  b  1. A flap occurs when a 't' comes between two vowels. The pronunciation of the 't' in these incidences sounds4 y: z7 U3 t6 r; }' C
      like a 'd' and is said very quickly.
) A6 N  p! a9 ?9 }, Z                                     
; q& G$ C% x. C9 k" C- w         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.2 D/ O( j& l9 m3 N3 t3 l# F, x
                                    , {4 L7 F2 D7 m6 w. j& q  x9 m
                 1 Z6 x* y2 a& F$ i* B* i
  water becomes wader# C2 L( V- f2 V0 i
  Do you need some water?
' c. a1 y9 U  _; N0 B  r* A                  5 V7 [- {+ `. ], D
  letter becomes ledder
5 |$ y) R" @8 a) l  The letter was in the mailbox. ' \  ~: e0 ~$ Q  m8 b
                
! x% g% v- {7 p7 b: W5 V4 E  bottle becomes boddle
" `" z4 _; P- N, m2 ?  The bottle broke when it hit the floor.
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  butter becomes budder: X( A* E+ I# X0 o  A% Y/ ]4 H
  The butter melted in the sun. 4 A. L% o2 o7 L4 L) |
                                    
% [3 ~  f+ _4 X7 u5 A  2. Flaps also occur when a 'd' comes between two vowels. The 'd' is still pronounced with a d sound, but it is
) z- R: u- ^3 t& O' ^. D: U* R6 v      said very quickly. In the normal pronunciation of the d sound the tip of the tongue is placed on the tooth
- E/ Z" I% Y* V, U9 q) |0 {& m# h      ridge (the area where the top front teeth meet the top of the mouth) before the expiration of air to produce% ]  k2 [* F, A5 m2 ]
      the sound. With a flap, the tip of the tongue barely touches the tooth ridge and the 'd' sound is made very
# ]7 _8 X' F- ^# \/ l! s6 q4 V      quickly.   
: E5 C. H- t* T* n8 m& U+ S. T                                     ! N1 g4 Q- x% A
        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.
" N# X8 t, K- N                                     ! H% G1 m$ y; z+ T( G9 [# A
                   medical        She is a medical student.
4 {. c& J' a* @+ l" m0 G# a                    sediment             # A; J* T7 M( y. W4 t) L
The sediment on the river bottom is course sand.
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                   cadence           
% D, G8 s$ c, a, E. XDrums keep the cadence in a marching band.
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                   cider         This apple cider is great.6 z' k8 `, z% V# r. E# I
                   spider        A spider has eight legs.6 q' C8 Y5 `, j) U
                                    
% Z7 T( _: G- W* S  M. Q) l2 S  3. The third flap occurs when with linking of the consonant final letter of one word and the vowel letter of the/ l+ V7 R- d& x) [
       next. (see section on linking)! S5 i" x: i* x- I) v4 S: t
                  ; O% O1 v2 n- ~5 E
        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.8 G2 }% d8 n: N& Q" J% y9 z$ H( `
                  
8 u& Z: V3 E* M4 L4 w5 D1 @, T/ w            'right away'  becomes righ(d) da  way( e& ~) U7 ?  F  ]0 F
          I'll get your bags right away sir.
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           'what if' becomes whad dif1 ]* S$ @# R! \; m3 Y" L
          What if we go to Paris for vacation?! }6 G' w1 v- e1 Z7 ]1 ~+ k

# [- Z$ x# x0 y; q
/ Z( w0 }* ~) C1 `' t1 X! x+ h                   6 A8 j  d6 ^8 P% K. I
            'might I' becomes migh(d) di          " U/ n: |- a' Y( X
           Might I suggest a new tie?, t  Q4 m; y- w) Y' D" U. b

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) x7 @5 o( H' c' [- _Note: The flap does not occur in some words (what, that) if they are spoken alone, without other words to
. `, ?& K& I" L7 P7 W          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 Stop7 Z2 j/ d) R# \2 Z) ^

2 s. J$ B' {$ U) TWhen 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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, L4 C& e1 G- u+ ]" [                            
7 L0 t3 `9 K6 H4 Y, j+ O/ [7 l         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.
6 n- _& q( `# e* d# r# \2 Z- A' [                            ' q2 x9 T- `+ c; f4 j
        ) @% d8 t5 Y: b, m
    'eaten' becomes ea'n  
' Z8 j* c9 c$ L$ x   Have you eaten yet?
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    'satin' becomes sa'n  + s5 O! z% ]$ y, X
   Satin sheets are nice to sleep on.
$ f7 ~" c9 M. U         8 l3 K2 J! F* }) Y. r
    'sentence' becomes se'ence
+ y& h, p% k; h$ b1 ?; u+ Q   This sentence makes no sense.- a! P7 O" e" X% ^' E8 y5 _3 @
        3 f% }" k( \- d- i  }2 f
    'mountian' becomes moun'n    " u) H3 D" q, h7 n/ z7 }0 m
   I'm not much of a mountain climber.
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- b" K# C7 X. B% A: g. o3 C    'getting' become ge'n        
0 x% E4 E- k* W  P4 U5 W   I'm getting to old for this.8 s" B6 S' W/ J2 |
       
* Y9 ?! i+ f' e4 e! V% h    'button' becomes but'n    6 v$ y5 }0 Y/ }4 _1 _
   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
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6 B# m5 [( k$ |" t0 kIn an affirmative 'can', the can is pronounced as 'kn'. The modal verb 'can' in the sentence is unstressed; the main verb is stressed.
, z* |7 i+ v7 \                                              
; D$ q/ m( e' w! [& o4 U! [& {   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.% L5 w4 B% j6 R4 X8 [" Y$ \* j
   Then the word is used in a sentence.9 g+ ~# {" U! b! C8 e& j! h
                                             ' {7 N$ M% ]* i: s# A
       
+ J2 G7 k1 a, N  u4 ?4 c. G. j) j   'We can swim' becomes we kn swim  
- V% l# Q5 K0 R9 L; U: `! X$ r   We can swim in the lake.
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8 p8 ~7 O! ^0 U( a; k: U# x   'I can cook' becomes I kn cook.
6 m8 d+ e" S# x' \0 o) O$ n   I can cook pizza.3 x, X0 }$ i+ u3 L0 s

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        % V6 n& v7 E' E* G' d
   'She can read' becomes she kn read  
' [0 j$ h5 s' r- S) x- E   She can read Italian and Russian.
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   'They can ride' becomes they kn ride., K5 _; x9 k2 F
   They can ride on the roller coaster.+ f% j; ~. u% w' [& u5 {

% L* e4 J0 Q6 z) w3 ^5 Y. {6 ]9 L. g                                              
9 B5 o9 B/ H, @9 w# OIn 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.
  W, X+ v' M- q                                              
$ |: h2 ?" c# X$ g: E: p) ~6 u9 ~  _   Listen to these sound changes. The first sentence is with can, the second with can't. Note that both the modal and main
. n; B: m$ Y6 A9 v/ y9 y# t& m   verbs are stressed in the negative sentence.& L6 I4 D1 X1 ^8 h: b2 c9 X. S- O
                                             
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9 h* Y% I3 x" \  'We can't go' becomes
9 a4 ?) c' T, P- P* ~   We KAN' GO.  
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We can go to the movies.) q$ d/ j4 t& B( a5 `
We can't go to the movies.
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        ' d: }* Z. G5 o
  'Larry can't speak' becomes6 b, G( V- t* k& }
   Larry KAN' SPEAK.  p  k* x- m  s! j  U2 B

( E, m  P+ S# R0 J" {+ ZLarry can speak French.
# {" l9 D' q$ s/ I% mLarry can't speak French.; b" z. Z! o; Q3 T; b

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  'She can't do it' becomes
* ~: P: T" d5 ?   She KAN' DO it   
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9 E# ^: H( J) ?6 KShe can do it.0 W! F: ^1 u- d6 @: p
She can't do it.
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6 X/ L, t0 p6 L5 T6 H/ s8 D& m        
/ M/ O: N& l8 \! ?; W! c  'Some people can't sing' becomes2 b* w* u! a% o$ R
   Some people KAN' SING' U( I$ p5 u' Y0 i, Q3 m
Some people can sing.* A, S6 s* m7 T% K  k% v
Some people can't sing.
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                                             * f5 \, _% e. n  R: g* w5 G- T% H
If the next sound after 'can't' is a vowel, a flap occurs as in 'She can't  ignore it'. (... can't  tig-nore...)
0 P1 l9 N- u  h( _) z9 n) j                                              
- Y( W* r, j) N' c  x2 u( ^& a  L* i: Y   Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound changes.
, |) P' A$ \: n: T; k   Then the word is used in a sentence.( @2 m/ O# K1 n7 V5 [. Q
                                             $ e# d2 o! U3 v. r, U; `; e- y
        ( M+ Y/ i% l$ ]' v
   'can't attend' becomes can't  attend. (... cand da-ttend)
: ], S1 J  {. ~0 @2 j7 }: |& C. N   We can't attend the concert.
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   'can't invite' becomes can't  invite  (... cand din-vite...)
6 L$ `" p2 i# z& O, Z   Wally can't invite her to the party.9 b; b  j( Z2 L6 \/ `9 _8 m) n
       
2 G3 Y3 Q, m$ a1 ]7 n   'can't answer'  becomes can't  answer (.. .cand dan-swer)
  I1 p6 o, h0 `3 Q% h+ F0 F   He can't answer the question.
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: a8 |# F$ L* u; y         * L$ m1 f6 o( T& t5 L& h4 k: Z' O/ a. r
   'can't understand' becomes can't  understand (... cand dun-der-stand.. )
1 v$ q/ [$ g% b+ e* @  w   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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2 g: Q! {8 K% I( E# Z$ C$ R6 V  NMany 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)9 `; C6 K6 r: U
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                  3 B% C: B1 U4 v+ `* w3 G1 L
     Listen to these sound changes. The first phrase is with proper enunciation, the second phrase is with the sound- m( B& k) v/ c" q! v
     changes. Then the word is used in a sentence.5 j- {* B0 t7 \5 r" d; o9 ^6 w# r
                          
. s. F, F$ }) s" U        
' z4 d) p; `* q    'wouldn't'  becomes wouldn'      - l) f: E3 m$ B, l1 \7 f
   Why wouldn't you go to the dance with me?
' |  a* Y9 U8 M2 q# t. \        
/ G' v; ~3 @" Y* f: F, }/ A6 l   
* [  r# w7 r  b2 r/ u3 z - T7 ~: G  Y8 t/ I  U+ s
       
: m5 k7 l0 M/ S- |    'couldn't' becomes couldn'
; _+ L) w6 A& z- I( _7 f# W    I couldn't do it because I was sick." q, Y# ^: `6 f2 g3 s
        9 L. \  _5 [5 g( V
    ) [6 _, g! [3 m- t

3 K- @6 l& s6 M* K& D        
- V# `/ I5 ?* t" g  l    'shouldn't' becomes should'n          4 G. K; c9 Q6 \
   He shouldn't have eaten the apple.
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    'doesn't' becomes doesn'
1 {/ |5 N: [4 I4 Q, J   Larry doesn't study hard enough.
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