Compounds of でなければ

• でなければ
  (exp) without
  but if
  (P)
• でなければならぬ
  (exp) having to be
  must be
  should be
  ought to be
• でなければいけない
  (exp) having to be
  must be
  should be
  ought to be
• でなければならない
  (exp) having to be
  must be
  should be
  ought to be
  (P)