00406nam a22001457i 4500001001000000005001700010008004100027082001800068100002000086245004800106260004100154300001700195650003000212020001800242SXC03109820260819093900.0260101s1999    ii            000 0 eng d  a425 HEW-A222  aHewings, Martin10aAdvanced English grammar /cHewings, Martin  abFoundation Books, New Delhi,c1999  ap. ;c22 cm. 0aEnglish structural system  a9780521003612