Первый слайд презентации: Alternations and modifications of speech sounds in English
Types of modification: assimilation, accommodation, reduction, elision, inserting.
The adaptive modification of a consonant by a neighbouring consonant in a speech chain is assimilation. 1. Place of articulation • t, d > dental before [ð, θ]: eighth, at the, said that • t, d > post-alveolar before [r]: tree, true, dream, the third room • s, z > post-alveolar before [∫]: this shop, does she • t, d > affricates before [j]: graduate, could you • m > labio -dental before [f]: symphony • n > dental before [θ]: seventh
Слайд 4: ASSIMILATION
progressive: stay [ stei ], /t/ without aspiration (loss of plosion ); regressive: tenth [ten θ ], /n/ - dental double: tree [tri:] partial: little (loss of plosion ) full: less shy [ leʃai ], does she [d Λ ʃi :]
Accommodation is used to denote the interchanges of VC or CV types. Lip position • consonant + back vowel: pool, rude, who (rounded) • consonant + front vowel: tea, sit, keep (spread)
Reduction is actually qualitative or quantitative weakening of vowels in unstressed positions. Reduction qualitative quantitative can [ kæn ] – I can [ ai ken] me [mi:] – let me [let mi]
Elision is a complete loss of sounds, both vowels and consonants. 1. Loss of [h] in personal and possessive pronouns and in the forms of the auxiliary verb have. 2. [l] lends to be lost when preceded by [o:]: always, already, all right 3. In cluster of consonants: next day, just one, mashed potatoes 4. [t]+C, [d]+C: listen [ lisn ], often [ ofn ], Wednesday [ wenzdi ] 5. – mb at the end of the word: lamb [ læm ], comb [ kom ] 6. [ i ], [ə]: different [ difrənt ], similar [ simlə ]