除了上述的用法,兩者還可表示"想必一定,按理應(yīng)該"的意思。例如:
I ought to be able to live on my salary. 靠我的薪水,想必也能維持了。
It ought to be ready now. 想必現(xiàn)在準(zhǔn)備好了吧。
They should be there by now, I think. 現(xiàn)在他們?cè)摰侥莾毫恕?/p>
The poems should be out in a month at most. 詩集估計(jì)最多還有一個(gè)月就要出版了。