Unit 3 Fricatives and Affricates

/f, v, s, z, /

Learning Objectives

What are fricatives and affricates? How to discriminate and pronounce fricative

s and affricates correctly?

Fricatives: // // // // /s/ // // // // /r/ /f/- voiceless labiodental fricative /v/- voiced labiodental fricative //- voiceless dental fricative //- voiced dental fricative /s/- voiceless alveolar fricatives /z/- voiced alveolar fricative //- voiceless post-alveolar fricative //- voiced post-alveolar fricative /h/- voiceless glottal fricative /r/- voiced post-alveolar approximant

What are fricatives?

Fricatives are made by partially blocking the airflow, thus causing the friction-like noise characteristic of these sounds.

What are affricates?

•English has two affricates ----- plosives released with

frication –---just like "church" and "judge".

/t/- voiceless post-alveolar affricate /d/- voiced post-alveolar affricate

/ r/

/r/ is called an approximant in this book, in other books, it is called a fricative or frictionless-continuant according to the manner of articulation.

Homework

Listening and Speaking Practice

Page 26---33