(допоміжне дієслово, яке утворює минулий час), повинен

Приклади використання слова «should»:

My mind was now possessed by the thing I should have thought of before.
I got down, therefore, and pondered over what I should do.
Well might it be that in the end she should abandon such a purpose.
She lodgedas a princess of the blood should lodge.
Would any other noble Sir wish that I should show more of my skill?