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		Grammar and Linguistics > Compound Adjectives     
			
		 Compound Adjectives 
		
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 Ruwayda37
 
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							| Compound Adjectives 
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							| Good day fellow teachers, 
Could you please help me understand why fractions in compound adjectives are used in the plural form?
For example, we say a two-thirds majority instead of a two-third majority. |  26 Aug 2020      
					
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 redcamarocruiser
 
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							| It is because there are two thirds. 1/3 would not be plural.  But we have two thirds, 1/3 + 1/3 . |  27 Aug 2020     
					
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 Ruwayda37
 
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							| But we say a five-year-old boy, not five-years-old boy. Could you please explain what the rule doesn�t work with fractions? |  27 Aug 2020     
					
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 piet88
 
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							| It�s a good question, but (as is often the case in English) there doesn�t seem to be a good answer.   The following is from Swan: In fractions, the plural -s is not usually dropped.a two-thirds share (NOT a two third share) Exception: three quarters (a three-quarter length coat) M.Swan, Practical English Usage 3rd Edition, OUP 2009 386.5 page 359 |  27 Aug 2020     
					
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 Ruwayda37
 
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							| Thank you very much, piet88. I really needed your answer and appreciate your help. |  27 Aug 2020     
					
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