英语语音中的同化.ppt

Soundchangesinconnectedspeech2021/5/91AssimilationDefinitionClassification of assimilationRules of assimilation 2021/5/92Definition Assimilation In connected speech,under the influence of the neighbors,sounds are replaced by another sound.Sometimes two neighboring sounds influence each other and are replaced by a third sound which is different from both the original sounds.It is called assimilation.Sound a sound b cSound ab sound2021/5/93 Under the influence of the neighbor sounds,one sound changes to another.eg.news paper z s newspaper nju:speip As the result of the neighboring sounds,there forms a new sound which is different from the original two.eg.miss you s+j-2021/5/94 Classification-cf/ci-if cf changes into ci,ci effects cf Regressive assimilation 逆同化逆同化 used d t to usedt t toif ci changes to cf,cf effects ci -cf/ci-Progressive assimilation 顺同化顺同化2021/5/95 the two sounds influence each other,and then form a new one.-coalescent,double,reciprocal situation /t/+/j/-/t /last year,next yard Im glade to meet you.education，schedule would you,hold you /d/+/j/-/d /student2021/5/96 Rules of assimilation A.voiced voiceless have/v/t/to have to/h f tu/B.n m tentem minits minutes t p right place raip pleis d b good-byegub baic.s+j this year z+j wheres yours /t/+/j/-/t /d/+/j/-/d /2021/5/97 s 和和 z 与与 相邻时相邻时,s 和和 z 受了邻音受了邻音 的影响变成了的影响变成了 或或 音音例如：例如：Does she like it?.d()i laik it?又如：又如：Please show me the way.pli:u mi wei.2021/5/98l歌曲中的同化现象歌曲中的同化现象lJazz Chant 练习练习l阅读练习阅读练习同化现象是发音中的一种自然趋势同化现象是发音中的一种自然趋势,不可不可造作造作,在熟练而准确掌握发音之前最好不在熟练而准确掌握发音之前最好不要刻意追求音的同化要刻意追求音的同化,否则容易影响发音否则容易影响发音的准确性的准确性,让人听不懂。让人听不懂。2021/5/99Passage reading 1:lIt is said in the year of 300 AD,there was a kind ol(d)man and his name was Sain(t)Nicholas.lHe was always ready to hel(p)the poor and often gave presents to them.Today,Father Christmas is an imaginary figure,but nearly all young children believe in him.They think he is a happy ol(d)man with a long whi(te)beard and a long red robe.On the night of the twenty-fourth o(f)December each year,Father Christmas from some col(d)northern land comes down the chimney of the fireplace to pu(t)presents by the beds of children or to fill their stockings.2021/5/910lSo when children go to bed tha(t)night,they hang u(p)their stockings,and on Christmas morning they wake to fin(d)them full of presents.Of course,its really their parents who fill the stockings.The children believe that they would get more gifts next year.2021/5/911Passage reading 2:In the traffi(c)court of a large mid-western city,a young lady was brough(t)before the judge to answer a ticket for driving through a red light.She explain(ed)to his honor that she was a school teacher and requested an immediate disposal of her case in order that she might hasten on to her classes.2021/5/912 A wil(d)gleam came into the judges eye.You are a school teacher,eh?said he.Madam,I shall realize my lifelong ambition.Si(t)down at that table and write I wen(t)through a red light five hundr(ed)times.2021/5/913 Being A Teacher Create class activities2021/5/914