- He told me that he should buy it.(= He said to me, "I shall buy it".)
- You should know what you are.
- If you would not hope that conclusion, you should have done your best.
- （仮定法で可能性）万一～ならば（cf. were to）
- Even if you should fail, who could blame you?
- （倒置法でIf/in case ofと同意義）もし
- Should you need extra blankets, you'll find them in the closet.