2029040 jmdict A [id=2343812]

ば[spec1]
[1][prt,conj]
  if ... then; when
[2][prt,conj]
  [note="often ...も...ば...も..."]
  and
[3][prt]
  [note="sentence final"]
  why don't you ...?
[4][prt,conj]
  [note="often ...ば...ほど"]
  the more (one does something)
[5][prt,conj][arch]
  because; since