The source material. BluRay rips usually have a frame rate of 23.976 fps; subtitles for "DVD" or "HDTV" sources will likely be out of sync.
A massive database where you can filter by the specific release name. subtitle The.Predator.2018.720p.BluRay.x264.[YT...
If you are looking for subtitles to match this specific release, 1. Where to Find the Subtitle File The source material
Even with the correct version, subtitles can sometimes be slightly ahead or behind. You can fix this manually in your media player: If you are looking for subtitles to match
Once you download the .srt file (the most common subtitle format), follow these steps to make it play automatically:
Because this is a release, you need a subtitle file that is specifically timed for that version. If the timing is off by even a second, the dialogue won't match the audio.