code: @Nullable
    private Pattern pronomPattern(AnalyzedTokenReadings aToken) {
      if (matchPostagRegexp(aToken,VERB_1S) && matchPostagRegexp(aToken,VERB_3S))
        return PRONOM_FEBLE_13S;
      if (matchPostagRegexp(aToken,VERB_2S) && matchPostagRegexp(aToken,VERB_3S))
        return PRONOM_FEBLE_23S;
      else if (matchPostagRegexp(aToken,VERB_1S) )
        return PRONOM_FEBLE_1S;
      else if (matchPostagRegexp(aToken,VERB_2S) )
        return PRONOM_FEBLE_2S;
      else if (matchPostagRegexp(aToken,VERB_3S) )
        return PRONOM_FEBLE_3S;
      else if (matchPostagRegexp(aToken,VERB_1P) )
        return PRONOM_FEBLE_1P;
      else if (matchPostagRegexp(aToken,VERB_2P) )
        return PRONOM_FEBLE_2P;
      else if (matchPostagRegexp(aToken,VERB_3P) )
        return PRONOM_FEBLE_3P;
      else
        return null;
    }
docs: Find appropiate pronoun pattern. (Troba el pronom feble apropiat)