3 Nephi 10:15
1830 Edition
Behold I say unto you yea, many have testified of these things at the coming of Christ, and were slain because they testified of these things;
Changes
Behold, I say unto you, yYea, many have testified of these things at the coming of Christ, and were slain because they testified of these things;.
Simple English
I tell you that many people talked about these things that would happen when Christ came. They were killed because they talked about these things.
Paraphrase
Many prophets spoke about what would happen when Christ came. They were killed for saying these things.