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Unit Three Consonants: Fricatives and Affricates

Unit Three Consonants: Fricatives and Affricates. Content. What are fricatives? What are affricates? How to discriminate and pronounce fricatives and affricates correctly?. What are fricatives?.

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Unit Three Consonants: Fricatives and Affricates

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  1. Unit Three Consonants: Fricatives and Affricates

  2. Content • What are fricatives? • What are affricates? • How to discriminate and pronounce fricatives and affricates correctly?

  3. What are fricatives? • Fricatives are made by partially blocking the airflow, thus causing the friction-like noise characteristic of these sounds. • 9 fricatives, largest set of consonants • /f, v//s, z/ /θ，ð//ʃ, ʒ/ /h/

  4. Section and palatogram of /h/

  5. What are affricates? • Affricates破擦音 • An affricate is a stop in which the articulating organs are separated more slowly than in the case of normal plosives. There is no noticeable explosion, but on the release of the stop a fricative consonant is heard.

  6. Definition /t∫/ /dʒ/ /ts/ /dz/ /tr/ /dr/ Among the three pairs of affricates, /t∫, ts, tr / are voiceless.

  7. /tʃ/ & /dʒ/ The stop is made by the front part of the tongue against teeth ridge and then the air is slowly released, and it escapes over the surface of the tongue.

  8. 舌位图

  9. Practice Words / t∫ / chat / charm / cheer / check cheap / cheat / nature / touch /dʒ/ jolly / juice / jam / judge / change larger / knowledge Phrases / t∫ / have a chat / a blank check / the chief editor / a charming young lady / a child of nature / cherish it / rise to challenge /dʒ/ jump at the chance / a large college/ June and July / make a sound judgment

  10. Sentences The soldiers crossed a large bridge and marched to the ridge of the village. Jane had chicken and French fries for lunch. The rich merchant went to the beach with the judge. John urged Joan to buy a digital watch.

  11. Listening and Speaking Exercises • 1. p27 sound discrimination • 2. p28 pair practice • 3. p30 sounds for information • 4. p31 stress pattern for communication

  12. Homework • 1. p31 Task 1 pronounce –s correctly; • 2. p33 listening for information and imitation; • 3. p34 describe something and ask your classmates to guess; • 4. Preview unit 4

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