Tuongvan  +  638529 Sun, 11 Jan 09 09:34 AM Dear teachers, Do these sentences sound natural to native speakers'ears? After three hours of learning/studying my back aches very much After three hours' learnib/studying my back aches very much After three hours of learning / studying my lesson, my back aches very much. After three hours' learning/studying my lesson my back aches very much    Thank you in advance Tuongvan Joined on Sun, Dec 30 2007 Regular Member 975 van Sentences

	reefannie  +  638539 Sun, 11 Jan 09 09:41 AM No, not natural. My back aches very much after three hours of studying. My back really aches after studying for three hours. K. =^^= reefannie Joined on Sat, Dec 27 2008 Hawaii Full Member 146 In nature there are neither rewards nor punishments -- there are consequences. Robert G. Ingersoll

	Mister Micawber  +  638545 Sun, 11 Jan 09 09:47 AM . These are more colloquial, Tuongvan: After three hours of studying, my back aches a lot. After three hours' studying, my back aches a lot. The placement of the preposition at the front is fine.  Much is seldom used in affirmative sentences.  In usual use, learning is an effect of studying; studying is a conscious, voluntary activity, but learning is something that happens to us without our volition. . Mister Micawber Joined on Wed, Aug 4 2004 Yokohama Veteran Member 30,825 'The question is,' said Humpty Dumpty, 'which is to be master-- that's all.' Prepositions, Sentences, Activities, Affirmatives