Word: should in Ecclesiastes

I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly, till I might see what was that good for the sons of men, which they should do under the heaven all the days of their life.

Ecclesiastes 2:18

Yea, I hated all my labour which I had taken under the sun: because I should leave it unto the man that shall be after me.

Ecclesiastes 2:24

There is nothing better for a man, than that he should eat and drink, and that he should make his soul enjoy good in his labour. This also I saw, that it was from the hand of God.

Ecclesiastes 3:13

And also that every man should eat and drink, and enjoy the good of all his labour, it is the gift of God.

Ecclesiastes 3:14

I know that, whatsoever God doeth, it shall be for ever: nothing can be put to it, nor any thing taken from it: and God doeth it, that men should fear before him.

Ecclesiastes 3:22

Wherefore I perceive that there is nothing better, than that a man should rejoice in his own works; for that is his portion: for who shall bring him to see what shall be after him?

Ecclesiastes 5:6

Suffer not thy mouth to cause thy flesh to sin; neither say thou before the angel, that it was an error: wherefore should God be angry at thy voice, and destroy the work of thine hands?

Ecclesiastes 7:14

In the day of prosperity be joyful, but in the day of adversity consider: God also hath set the one over against the other, to the end that man should find nothing after him.