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Linglib.Fragments.Pipil.AuxiliaryVerbs

Pipil Auxiliary Verb Fragment #

@cite{anderson-2006}

Pipil (Uto-Aztecan; El Salvador) has two distinct AVC constructions in @cite{anderson-2006}, with different auxiliaries:

The 0.230.576 meta-audit caught an earlier docstring overreading of Anderson p. 220-221 fn. 6: that footnote contrasts two variants of the progressive AVC (lex-headed vs split/doubled, both with yu-class auxiliaries) — NOT weli (CAP) vs yu (PROG). The weli and yu forms are different AVCs entirely, not two patterns of the same AVC.

The earlier classification of the second pattern as plain .split with distribution {onAux := [.tense], onLex := [.agreement]} was incorrect on two counts: (i) Anderson p. 224 explicitly classifies it as split/doubled with subjects "doubly marked"; (ii) the distribution {onAux := [.tense], onLex := [.agreement]} contradicts the gloss 1-AUX 1-2PL-show which shows the 1 (subject) prefix on BOTH elements. Audit fix: 2026-04-30.

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def Fragments.Pipil.AuxiliaryVerbs.family :
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    def Fragments.Pipil.AuxiliaryVerbs.location :
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      Lex-headed pattern (Anderson 2006; Campbell 1985: 139) #

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      def Fragments.Pipil.AuxiliaryVerbs.lexHeadedForm :
      String

      Lex-headed AVC form: capability auxiliary weli uninflected; subject marking on the lexical verb. weli ni-nehnemi wehka 'CAP 1-walk far' 'I can walk far' (Campbell 1985: 139, cited in @cite{anderson-2006}).

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        def Fragments.Pipil.AuxiliaryVerbs.lexHeadedGloss :
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          def Fragments.Pipil.AuxiliaryVerbs.lexHeadedDistribution :
          Core.Morphology.InflDistribution

          Lex-headed inflection: AUX uninflected, LV hosts subject agreement.

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            Split/doubled pattern (Anderson 2006 Ch 5 ex. 133a, p. 224) #

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            def Fragments.Pipil.AuxiliaryVerbs.splitDoubledForm :
            String

            Split/doubled AVC form (Anderson Ch 5 ex. 133b, p. 224). n-yu ni-mitsin-ilwitia '1-AUX 1-2PL-show' 'I'm going to show you' (Campbell 1985: 137, cited in @cite{anderson-2006}). Subject 1 (1sg) is doubly marked: as n- on AUX and as ni- on LV. Object -mitsin- (2pl) appears only on the LV. The AUX root yu (a grammaticalized form of the motion verb 'go') encodes the prospective-future TAM lexically. Anderson p. 224: "Subjects are doubly marked... while objects occur only on lexical verbs."

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              def Fragments.Pipil.AuxiliaryVerbs.splitDoubledGloss :
              String
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                def Fragments.Pipil.AuxiliaryVerbs.splitDoubledDistribution :
                Core.Morphology.InflDistribution

                Split/doubled inflection: subject agreement doubled on both AUX and LV; object agreement appears only on LV. The role-typed encoding (subj vs obj) makes the Anderson Ch 5 §5.2 "objects on LV only" generalization directly Lean-checkable: see Phenomena/AuxiliaryVerbs/Studies/Anderson2006.lean.

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                  Primary pattern alias #

                  The split/doubled pattern is what Anderson Ch 5 §5.2.2 highlights for Pipil; the lex-headed weli pattern is the chapter-3 alternative flagged in Anderson's footnote 6 on p. 220-221 as a co-existing construction. The Anderson 2006 study file consumes both.

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                  def Fragments.Pipil.AuxiliaryVerbs.form :
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                    def Fragments.Pipil.AuxiliaryVerbs.gloss :
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                      def Fragments.Pipil.AuxiliaryVerbs.inflDistribution :
                      Core.Morphology.InflDistribution
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