What does « Perhaps / Future » mean in the Quran?

But they who believe in Allah and His messengers and do not discriminate between any of them - to those He is going to give their rewards. And ever is Allah Forgiving and Merciful.

And from those who say, "We are Christians" We took their covenant; but they forgot a portion of that of which they were reminded. So We caused among them animosity and hatred until the Day of Resurrection. And Allah is going to inform them about what they used to do.

O you who have believed, whoever of you should revert from his religion - Allah will bring forth [in place of them] a people He will love and who will love Him [who are] humble toward the believers, powerful against the disbelievers; they strive in the cause of Allah and do not fear the blame of a critic. That is the favor of Allah; He bestows it upon whom He wills. And Allah is all-Encompassing and Knowing.

For they had denied the truth when it came to them, but there is going to reach them the news of what they used to ridicule.

For every happening is a finality; and you are going to know.

Say, "O my people, work according to your position; [for] indeed, I am working. And you are going to know who will have succession in the home. Indeed, the wrongdoers will not succeed.

Said Pharaoh, "You believed in him before I gave you permission. Indeed, this is a conspiracy which you conspired in the city to expel therefrom its people. But you are going to know.

And when Moses arrived at Our appointed time and his Lord spoke to him, he said, "My Lord, show me [Yourself] that I may look at You." [Allah] said, "You will not see Me, but look at the mountain; if it should remain in place, then you will see Me." But when his Lord appeared to the mountain, He rendered it level, and Moses fell unconscious. And when he awoke, he said, "Exalted are You! I have repented to You, and I am the first of the believers."

O you who have believed, indeed the polytheists are unclean, so let them not approach al-Masjid al-Haram after this, their [final] year. And if you fear privation, Allah will enrich you from His bounty if He wills. Indeed, Allah is Knowing and Wise.

And you are going to know who will get a punishment that will disgrace him [on earth] and upon whom will descend an enduring punishment [in the Hereafter]."

And O my people, work according to your position; indeed, I am working. You are going to know to whom will come a punishment that will disgrace him and who is a liar. So watch; indeed, I am with you a watcher, [awaiting the outcome]."

He said, "I will ask forgiveness for you from my Lord. Indeed, it is He who is the Forgiving, the Merciful."

Let them eat and enjoy themselves and be diverted by [false] hope, for they are going to know.

Who make [equal] with Allah another deity. But they are going to know.

So they will deny what We have given them. Then enjoy yourselves, for you are going to know.

He said, "As for one who wrongs, we will punish him. Then he will be returned to his Lord, and He will punish him with a terrible punishment.

But there came after them successors who neglected prayer and pursued desires; so they are going to meet evil -

And the disbeliever says, "When I have died, am I going to be brought forth alive?"

He almost would have misled us from our gods had we not been steadfast in [worship of] them." But they are going to know, when they see the punishment, who is farthest astray in [his] way.

Say, "What would my Lord care for you if not for your supplication?" For you [disbelievers] have denied, so your denial is going to be adherent.

[Pharaoh] said, "You believed Moses before I gave you permission. Indeed, he is your leader who has taught you magic, but you are going to know. I will surely cut off your hands and your feet on opposite sides, and I will surely crucify you all."

So that they will deny what We have granted them, and they will enjoy themselves. But they are going to know.

So that they will deny what We have granted them. Then enjoy yourselves, for you are going to know.

But they disbelieved in it, so they are going to know.

And see [what will befall] them, for they are going to see.