Unreal Conditionals

A. If something was true

• currently
  • past subjunctive equative
  • unreal verb
• in the past
  • past subjunctive equative / perfect

B. Then something else would be true

• currently
  • continuous past / habitual continuous past
  • "would be" equative
• in the past
  • "would be" equative / perfect
  • "would have been" equative / perfect