text_combined: tone grammar summary finally lansing points english _ silver knife _ low high knife made silver _ silver knife _ high low knife cutting silver nothing tone rather accent placement _ silver _ _ knife _ accented former case latter case _ knife _ deaccented association accent tone great deal complicated claim suggests richard sproat linguistics research department att bell laboratories tel 908 5825296 600 mountain avenue room 2d 451 fax 908 5827308 murray hill nj 07974 rws research att com