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		Grammar and Linguistics > since and for     
			
		 since and for 
		
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 blesses
 
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							| since and for 
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							| can anybody please tell me the difference between since and for with present perfect simple and since/for with present perfect continuous? |  14 Mar 2014      
					
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 JuliaKaraban
 
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							| We use "for" when we say a period of time ( two weeks, six hours...): I haven �t seen Tom for three days. Sally has been working here for six weeks. We use "since" when we say the start of a period ( 8 o �clock, Monday, 1977...): Sally has been working here since April ( =from April until now) I haven �t seen Tom since Monday. (= from Monday until now) 
 
 
 
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 florimago
 
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							| hi, blesses, though I agree with JuliaKaraban �s explanation, let me add something : I always tell my students and it always helps : For is always followed by quantities of time (a year , two months, three years, four days ...) and since is for the rest . As simple as that !!!
Cheers 
Flori |  14 Mar 2014     
					
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