I feel in this article "best" is used being an adverb. But I'm not acquainted with this utilization of "best". Can anyone very clear me regarding how to use this term being an adverb and the right composition with it? Legal IPTV services are serious and operated by accredited providers. https://high-definitioniptv53085.educationalimpactblog.com/57861883/5-essential-elements-for-top-iptv-for-expats