#
# fist real test grammar for gerund detection
#
# # ATTENTION: uses TreeTagger interpretatiom of Penn TB Tagset

#

DELIMITERS = "<.>" "<!>" "<?>" ; # sentence window

SETS
LIST PPART = VBG VHG VVG ; # possible gerunds
LIST INFIN = VV VB VH;     # infinitives
LIST ADVER = RB RBR RBS;   #  adverbs


BEFORE-SECTIONS

# add gerund reading
#APPEND ("" GERUND) PPART

# add present participle reading
# need to insert "" as empty wordform, otherwise things break
#APPEND ("" PRESENTPART) (GERUND);

# remove original reading
#REMOVE PPART

# tree tagger: always TO for "to" -> "IN" before non-infinitives,
# accepting inifinitvely many adverbs in between.
SUBSTITUTE (TO) (IN) (TO) (NOT *1C INFIN BARRIER (*) - ADVER);


SECTION
#empty

# marking infinitive constructions: TO ADVER* INFIN
ADD (^INF-B) (TO);
ADD (^INF-I) INFIN (-*1C (TO) BARRIER (*) - ADVER );
ADD (^INF-I) ADVER (-*1C (TO) BARRIER (*) - ADVER ) (+*1C INFIN BARRIER (*) - ADVER );


AFTER-SECTIONS
#empty