Need help with convert Informix SQL SELECT statement to Microsoft SQL

Informix:

SELECT 'BF' TABLE,
sum(GLTRANS.glt_cr) CREDIT1,
sum(GLTRANS.glt_dr) DEBIT1,
GLKEY.glk_grp_part02 FUND1,
GLTRANS.glt_gl_obj GL_OBJ,
GLTRANS.glt_gl_obj[1,1] TYPE1,
GLOBJ.glo_obj_dl DESCL,
GLOBJ.glo_bal_type BALTYPE

FROM glo_obj_mstr GLOBJ, glk_key_mstr GLKEY,
gl_budact GLBUDACT, OUTER glt_trns_dtl GLTRANS

WHERE GLBUDACT.gr = 'GL' and
GLBUDACT.fy = @PYR and
GLBUDACT.level = 'OB' and
GLBUDACT.obj <> '1' and
GLBUDACT.key <> '1' and
GLKEY.glk_grp_part02 = @GLKEY.PART2 and
GLTRANS.glt_date = @PYB and
GLTRANS.glt_type = 'BF' and
((GLBUDACT.gr = GLKEY.glk_gr and
GLBUDACT.key = GLKEY.glk_key and
GLBUDACT.gr = GLOBJ.glo_gr and
GLBUDACT.obj = GLOBJ.glo_obj and
GLBUDACT.gr = GLTRANS.glt_gl_gr and
GLBUDACT.fy = GLTRANS.glt_gl_fy and
GLBUDACT.key = GLTRANS.glt_gl_key and
GLBUDACT.obj = GLTRANS.glt_gl_obj))

GROUP BY 4,5,6,7,8
union all

SELECT 'ST' TABLE,
sum(GLTRANS.glt_cr) CREDIT1,
sum(GLTRANS.glt_dr) DEBIT1,
GLKEY.glk_grp_part02 FUND1,
GLTRANS.glt_gl_obj GL_OBJ,
GLTRANS.glt_gl_obj[1,1] TYPE1,
GLOBJ.glo_obj_dl DESCL,
GLOBJ.glo_bal_type BALTYPE

FROM glo_obj_mstr GLOBJ, glk_key_mstr GLKEY,
gl_budact GLBUDACT, OUTER glt_trns_dtl GLTRANS

WHERE GLBUDACT.gr = 'GL' and
GLBUDACT.fy = @SYSFISCALYEAR and
GLBUDACT.level = 'OB' and
GLBUDACT.obj <> '1' and
GLBUDACT.key <> '1' and
GLKEY.glk_grp_part02 = @GLKEY.PART2 and
GLTRANS.glt_date >= @FYB and
GLTRANS.glt_date <= @ONE_LESS and
GLTRANS.glt_type = 'ST' and
((GLBUDACT.gr = GLKEY.glk_gr and
GLBUDACT.key = GLKEY.glk_key and
GLBUDACT.gr = GLOBJ.glo_gr and
GLBUDACT.obj = GLOBJ.glo_obj and
GLBUDACT.gr = GLTRANS.glt_gl_gr and
GLBUDACT.fy = GLTRANS.glt_gl_fy and
GLBUDACT.key = GLTRANS.glt_gl_key and
GLBUDACT.obj = GLTRANS.glt_gl_obj))

GROUP BY 4,5,6,7,8
union all

SELECT 'TR' TABLE,
sum(GLTRANS.glt_cr) CREDIT1,
sum(GLTRANS.glt_dr) DEBIT1,
GLKEY.glk_grp_part02 FUND1,
GLTRANS.glt_gl_obj GL_OBJ,
GLTRANS.glt_gl_obj[1,1] TYPE1,
GLOBJ.glo_obj_dl DESCL,
GLOBJ.glo_bal_type BALTYPE

FROM glo_obj_mstr GLOBJ, glk_key_mstr GLKEY,
gl_budact GLBUDACT, OUTER glt_trns_dtl GLTRANS

WHERE GLBUDACT.gr = 'GL' and
GLBUDACT.fy = @SYSFISCALYEAR and
GLBUDACT.level = 'OB' and
GLBUDACT.obj <> '1' and
GLBUDACT.key <> '1' and
GLKEY.glk_grp_part02 = @GLKEY.PART2 and
GLTRANS.glt_date >= @SYSSTARTDATE and
GLTRANS.glt_date <= @REPORTDATE and
GLTRANS.glt_type = 'ST' and
((GLBUDACT.gr = GLKEY.glk_gr and
GLBUDACT.key = GLKEY.glk_key and
GLBUDACT.gr = GLOBJ.glo_gr and
GLBUDACT.obj = GLOBJ.glo_obj and
GLBUDACT.gr = GLTRANS.glt_gl_gr and
GLBUDACT.fy = GLTRANS.glt_gl_fy and
GLBUDACT.key = GLTRANS.glt_gl_key and
GLBUDACT.obj = GLTRANS.glt_gl_obj))

GROUP BY 4,5,6,7,8