NET

1 After these things I looked, and there was a door standing open in heaven! And the first voice I had heard speaking to me like a trumpet said: “Come up here so that I can show you what must happen after these things.”

Darby

1 After these things I saw, and behold, a door opened in heaven, and the first voice which I heard as of a trumpet speaking with me, saying, Come up here, and I will shew thee the things which must take place after these things.

KJV

1 After this I looked, and, behold, a door [was] opened in heaven: and the first voice which I heard [was] as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.