tech,19-1-E87-1037,ak | Currently several <term> grammatical formalisms </term> converge towards being declarative and towards utilizing <term> context-free phrase-structure grammar </term> as a backbone , e.g. <term> LFG </term> and <term> PATR-II </term> . | #17060 Currently several grammatical formalisms converge towards being declarative and towards utilizing context-free phrase-structure grammar as a backbone, e.g. LFG and PATR-II. |