unit 8 stressed syllables and unstressed syllables

1、Unit 8Stressed Syllables & Unstressed SyllablesWhat is word stress?nStress may be defined as the degree of intensity or loudness placed on a sound, that is, the amount of force one puts on a syllable or a word to give it importance. nA word stress means a prominent syllable. When a syllable is s

2、tressed, it is pronounced longer in duration, higher in pitch and louder in volume .n Three types of word stress can be found in English: primary(主重音), secondary(次重音), and zero(零重音). The term primary stress refers to the strong emphasis a speaker puts on the most important syllable of a particular w

3、ord. Secondary stress refers to a less strong emphasis on the next most important syllable. Zero stress refers to any syllable that receives no stress, and it is also called unstressed syllable. In other words, an unstressed syllable receives no intensity or loudness at all.wordsshape totalsyllables

4、StressedsyllablePHO TO GRAPH3#1PHO TO GRAPH ER4#2PHO TO GRAPH IC4#3Word Stress RulenThere are two very simple rules about word stress: * One word has only one main primary stress. * We can only stress vowels, not consonants. Word Stress RuleWord typeWhere is the stress?ExamplesTwo syllablesNounson t

5、he first syllablecenter object flowerVerbson the last syllablerelease admit arrangeCompoundNouns (N + N) (Adj. + N)on the first partdesktop pencil case bookshelf greenhouseAdjectives (Adj. + P.P.)on the last part (the verb part)well-meant hard-headed old-fashionedVerbs (prep. + verb)understand overl

6、ook outperformWord Stress RuleWord typeWhere is the stress?ExamplesPhrasal Verbson the particleturn off get up hand outWord with added ending-icthe syllable before the endingeconomic Geometricelectrical-tion, -cian, -sionTechniciangraduation cohesion-phy, -gy, -try, -cy, -fy, -althe third from the l

7、ast syllablePhotographybiology geometry-meterParameterThermometerbarometerReminder The rules can help you understand where to put the stress. But do not rely on them too much, because there are many exceptions. To analyze English stress placement has been recognized a highly complex matter. If you f

8、ind English word stress is that difficult to predict, it is best to treat stress placement as a property of the individual word, to be learned when the word itself is learned. A stressed syllable may contain any one of the vowel sounds except the schwa / /, but any vowel except the diphthongs /au/ and / i/ i/ can be reduced / / or /i/. Therefore, / / or /i/ are the most frequently used vowel sounds