Examples not very/ 'not veri/, not/'nd veri/ black door/black do / not/'blaeg do this boy/ dis bi/, not /oiz b)i/ if they come /if dei kAm/ not/ivei"k∧m/
Examples： not very /'nɔt 'veri/, not /'nɔd 'veri/ black door /'blæk 'dɔ:/, not /'blæg 'dɔ:/ this boy /'ðis 'bɔi/, not /'ðiz 'bɔi/ if they come /'if ðei 'kΛm/, not /'iv ðei 'kΛm/
Regressive The preceding sound is influenced by the one following it. For example, /z/ news /nju z/ /s/ newspaper /nju: speipa/
Regressive The preceding sound is influenced by the one following it. For example,: /z/ news /nju:z/ /s/ newspaper /nju:speipә/
Reciprocal or Double Assimilation the neighboring sounds influence each other. For example /t//w/ twenty /twenty/
Reciprocal or Double Assimilation the neighboring sounds influence each other. For example: /t/ /w/ twenty /twenti/
The usage of assimilation 1. AsSimilation changing the work of vocal cords(声带). Examples /z/→/s/ is/iz/ It's easy /its i: zi/ has/hae/ What's happened? /wots hand, used/ju: zd/ I used to. ai ju: st tu/
The usage of assimilation 1. Assimilation changing the work of vocal cords(声带). Examples: /z/→ /s/ is/iz/ It’s easy./its 'i:zi/ has/hæz/ What’s happened? /'wɔts 'hæpnd/ used/ju:zd/ I used to. /ai 'ju:st tu/
2. Assimilation Changing the position of the lips Before the bilabial sounds/m,p, b/,/n, t, d/ change to /m, p, b/ respectively. For example: in /in/ in bed im bed/ ten/ten/ ten minutes/'tem ' minits/ don't/daunt/don't be late /dump bi leit good/gud/ good-bye/gub bai/
2. Assimilation changing the position of the lips: Before the bilabial sounds/m,p,b/,/n,t,d/ change to /m,p,b/ respectively. For example: in /in/ in bed /im 'bed/ ten/ten/ ten minutes /'tem 'minits/ don’t/dәunt/don’t be late./'dәump bi 'leit/ good/gud/ good-bye/gub bai/