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46. When does assimilation affect the active organs of speech? Give examples.

The manner of noise production is affected by assimilation in cases of a) lateral plosion and b) loss of plosion or incomplete plosion. The lateral plosion takes place, when a plosive is followed by /1/. In this case the closure for the plosive is not released till the off-glide for /1/: the sides of the tongue are lowered and the air escapes along them with lateral plosion, e. g. please, candle, cattle (see above). In­complete plosion takes place in the clusters a) of two similar plosives like /pp, pb, tt, td, kk, kg/, or b) of two plosives with different points •offcrticulation like: /kt/, /ktf/, /dg/, /db/, /tb/. In the first case a single ■plosive is pronounced with a very long hold, e. g, attraction, lamp post, what time, went down, big cat. In the second case the ■closure of the organs of speech for the second plosive is made before the release of the first. So there is only one explosion for the two plosives. The first is incomplete, or lost, e, g. act, fact, good girl, hot bottle. In Russian similar plosives have the three stages, which results in two explosions for both plosives: акт, факт(&е& above).

47. When does assimilation affect the manner of production of noise? Give examples.

when the plosive, alveolar /t/ is followedjjy the constrictive, post-alveolar /r/. For example, in the word tip alveolar /t/ becomes post-alveolar and has a fricative release.

In should you /ijud ju:/ the place of the alveolar /d/ can be changed into palato-alveolar /dg/, which is not a plosive but an affricate, under the influence of the palatal /j7. which follows /d/: /'Judgu:/.

48. When does assimilation affect the work of the vocal cords? Give examples.

Assimilation affecting the work of the vocal cords is observed when one of the two adjacent consonants becomes voiced under the influence of the neighbouring voiced consonant, or voiceless — under the influence of the neighbouring voiceless consonant. For example, in the word gooseberry Is/ became voiced under the influence of the next voiced /b/ — regressive assimilation. In the combination what's this the voiced /z/became voiceless under the influence of the preced­ing voiceless HI— progressive assimilation.

49. When does assimilation affect the lip position? Give examples

Consonants followed by the sonorant [w] change their lip-position. They become lip-rounded in anticipation of [w], e.g. twinkle, quite, swan, language.

50. When does assimilation affect the position of the soft palate? Give examples.

Nasal consonants may influence the plosives. Sometimes [d] changes into [n] under the influence of the preceding [n], e.g. handsome [hǽnnsəm].

51. What are the degrees of assimilation?

Types of assimilation can be distinguished according to: (1) direction (2) degree of completeness (3) degree of stability. (1) - the influence of the neighboring sounds in english can act in a progressive, regressive or double direction 2) - according to its degree, a. can be complete and incomplete (3) - obligatory and non-obligatory assimilation e.g. a dental allophone of the alveolar /t/ should be used when it is followed by (inter)dental /voicess fricative/ or /voiced fricative/ as in /eighth/ e.g. /ten minits/ -> /temminits/