The word(s) "should" appears 240 time(s) in 207 verse(s) in Quran in Abdullah Yusuf Ali translation.

(161) If it had been our Will, We could surely have blotted out their eyes; then should they have run about groping for the Path, but how could they have seen?

(162) And if it had been Our Will, We could have transformed them (to remain) in their places; then should they have been unable to move about, nor could they have returned (after error).

(163) (So) they should not strain their ears in the direction of the Exalted Assembly but be cast away from every side,

(164) "Had it not been for the Grace of my Lord, I should certainly have been among those brought (there)!

(165) "We should certainly have been Servants of Allah, sincere (and devoted)!"

(166) "Lest the soul should (then) say: 'Ah! Woe is me!- In that I neglected (my duty) towards Allah, and was but among those who mocked!'-

(167) "Or (lest) it should say: 'If only Allah had guided me, I should certainly have been among the righteous!'-

(168) "Or (lest) it should say when it (actually) sees the penalty: 'If only I had another chance, I should certainly be among those who do good!'

(169) Said Pharaoh: "Leave me to slay Moses; and let him call on his Lord! What I fear is lest he should change your religion, or lest he should cause mischief to appear in the land!"

(170) "O my People! Yours is the dominion this day: Ye have the upper hand in the land: but who will help us from the Punishment of Allah, should it befall us?" Pharaoh said: "I but point out to you that which I see (myself); Nor do I guide you but to the Path of Right!"