Songs in ASL. Boudreault&Mayberry06. Untitled. A "grammar" is a set of rules for using a language. These rules guide users in the correct speaking or signing of a language. The grammar of a language is decided by the group of people who use the language. New grammar rules come into existence when enough members of the group have spoken (signed) their language a particular way often enough and long enough that it would seem odd to speak the language in some other way. American Sign Language is tied to the Deaf Community. We use our language in a certain way. ASL • Sign Language by Handspeak. ASLPro.com Home. • ASL • American Sign Language.