And the seven angels who had the seven trumpets made themselves ready to blow (salpisōsin | σαλπίσωσιν | aor act subj 3 pl) them.

in an instant, in the twinkling of an eye, at the last trumpet. For the trumpet will sound (salpisei | σαλπίσει | fut act ind 3 sg), and the dead will be raised imperishable, and we will be changed.

So whenever you give alms do (salpisēs | σαλπίσῃς | aor act subj 2 sg) not sound (salpisēs | σαλπίσῃς | aor act subj 2 sg) a trumpet before you, as the hypocrites do in the synagogues and in the streets, so that they may be praised by others. I tell you the truth, they have received their reward.

saying to the sixth angel who had the trumpet (salpinga | σάλπιγγα | acc sg fem), “Release the four angels who are bound at the great river Euphrates.”

Then I looked, and I heard an eagle crying with a loud voice as it flew directly overhead, “Woe, woe, woe to those who live on the earth because of the blasts of the other trumpets (salpingos | σάλπιγγος | gen sg fem) that the three angels are about to blow!”

And the seven angels who had the seven trumpets (salpingas | σάλπιγγας | acc pl fem) made themselves ready to blow them.

Then I saw the seven angels who stand before God, and to them were given seven trumpets (salpinges | σάλπιγγες | nom pl fem).

After this I looked, and behold, a door standing open in heaven! And the first voice, which I had heard speaking to me like a trumpet (salpingos | σάλπιγγος | gen sg fem), said, “Come up here, and I will show you what must take place after this.”

I was in the spirit on the Lord’s Day, and I heard behind me a loud voice like a trumpet (salpingos | σάλπιγγος | gen sg fem),

to the blast of a trumpet (salpingos | σάλπιγγος | gen sg fem) and a sound of words which made those who heard it beg that no further message be given to them,