It's no surprise that our team should have won the game.为什么要用“should have done It makes no difference when we shall have lessons.为什么要用“shall have done”

It's no surprise that our team should have won the game.
为什么要用“should have done
It makes no difference when we shall have lessons.
为什么要用“shall have done”

（我们）对于我们的队伍赢得了这场比赛并不感到惊讶.
缺符合逻辑关系的主语