Diphthongs, Word Stress and Intonation
1. Observe
↘↗
A: What should I do if I cannot open my computer files?
↘
B: Analyse your computer.
↗
A: And if there is a virus.
↘ ↘
B: Wait for the final anti-virus diagnosis. It will restart the system.
In complex interrogative sentences: we use a falling tone and mark it on the last word of the result part and rising tone on the last word of the condition part.
In answers we use a falling tone and mark it on the last word.
↘↗
A: What will you do if you don’t find a job?
↘
B: I will go back to university.
Do The Task
In each list identify the word that contains the indicated diphthong
- Tall-toy-doll /ɔɪ/
 - Are-car-aisle /aɪ/
 - Hit-bit-here /ɪə/
 - Ten-day-pen /eɪ/
 - Door- poor- bought /ʊə/
 - No-dot-not /əʊ/
 - Debt- air- pet /eə/
 - Look-took-drought /aʊ/
 
- /ɔɪ/ Toy
 - /aɪ/ Aisle
 - /ɪə/ Here
 - /eɪ/ Day
 - /ʊə/ Poor
 - /əʊ/ No
 - /eə/ Air
 - /aʊ/ Drought
 
There are eight diphthongs
| 
			 1. /ɔɪ/  | 
			
			 2. /aɪ/  | 
			
			 3. /ɪə/  | 
			
			 4. /eɪ/  | 
			
			 5. /ʊə/  | 
			
			 6./əʊ/  | 
			
			 7. /eə/  | 
			
			 8. /aʊ/  | 
		
| 
			 Boy-coin  | 
			
			 I - Try  | 
			
			 Beard – Dear  | 
			
			 Gay – pray  | 
			
			 Tour Pure 
  | 
			
			 Know Dough 
 
  | 
			
			 Bear Dare  | 
			
			 Bough Drowsy  | 
		
Remember that a diphthong is a combination of two vowels in one syllable. Therefore, short words composed of one diphthong have no stress
drought- /draʊt/
buy- /baɪ/
know- /noʊ/
dear-/dɪər/
However, short words composed of a triphthong have a stress as a triphthong is a combination of three vowels in two syllables.
- Science/’saɪəns/
 - Diet/ˈdaɪ.ət/
 - Quiet /’kwaɪət/
 - Hour /’aʊər/
 
1-/aɪ.ə/ fire-buyer
2-/ɔɪə/ destroyer-loyal
3-/aʊə/ ‘ hour-power
4-/eɪə/ player-layer
5-/əʊə/ mower-lower
Choisir la réponse correcte de la liste
Which syllable is stressed in each word?
- Technology****
 - Technological****
 - Solution****
 - Static****
 - Statistics****
 
The word stress rules concerning :
- Nouns ending in “ics”, tion/ sion and adjectives ending in “ic” are stressed on the second syllable from end:
	
- Mathematics
 - Civilization
 - Revision
 - artistic
 
 - Adjectives ending in “al”  and nouns ending in “cy”,”gy”,”ty” and “phy”are  stressed on the third syllable from end.
	
- Biological - bi’ology
 - policy
 - responsibility
 
 
- إختبارات
 - 12
 
- الأجوبة الصحيحة
 - False
 
- الأجوبة الخاطئة
 - False
 
- مجموع النقاط
 - False
 
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