@article{weko_7319_1,
   author	 = "Nishida,Koichi",
   title	 = "Arguments for the Heterogeneity of English Be",
   journal	 = "Tsukuba English Studies",
   year 	 = "1996",
   volume	 = "15",
   number	 = "",
   pages	 = "43--74",
   month	 = "sep"
}