http://chanyi.new21.net/zbxe/65005
 29. 가정법 과거완료
Point

가정법 과거완료는 과거에 대해 사실이 아닌 조건을 걸기 위해 조건절에 had p.p.를 사용하고 귀결절에는 would / might / should have + p.p.를 사용하는 것을 말한다.

Practice
․ If only I had stopped to think about it, I would never [react / have reacted] that way.

․ If it [rained / had rained] another ten minutes, the meeting would have been called off.

․ If this journey had taken place a week earlier, all this [would please / would have pleased] my eyes.