38 Heb “the one who breaks through goes up before them.” The verb form is understood as a perfect of certitude, emphasizing the certainty of this coming event.
39 The three verb forms (a perfect and two preterites with vav [ו] consecutive) indicate certitude. The “fold” from which the sheep/people break out is probably a reference to their place of exile.
40 The verb form (a preterite with vav [ו] consecutive) indicates certitude.
41 Heb “the Lord [will be] at their head.”

In other versions

He who opens the breach goes up before them;

they break through and pass the gate,

going out by it.

Their king passes on before them,

the Lord at their head.

The One who breaks open the way will go up before them;

they will break through the gate and go out.

Their King will pass through before them,

the Lord at their head.”

One who breaks open the way

will advance before them;

they will break out, pass through the city gate,

and leave by it.

Their King will pass through before them,

the Lord as their leader.

Your leader will break out

and lead you out of exile,

out through the gates of the enemy cities,

back to your own land.

Your king will lead you;

the Lord himself will guide you.”

The one who breaks out before them goes up;

they break through and pass the gate,

going out through it.

Their king passes before them,

Yahweh at their head.

The breaker is come up before them:

They have broken up, and have passed through the gate, and are gone out by it:

And their king shall pass before them,

And the Lord on the head of them.

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