gtg

This is a Javascript program which allows you to define a generative grammar. Press Generate to test, and Help for documentation.
Warning: This program is in progress and apt to change at any time.

Also see: Markov generator; Generative Grammar Gadget; Minimalism gadget.

—Mark Rosenfelder, 2018

Lexicon:

Q:Comp
ø:Comp
the:D
this:D::p these
that:D::p those
cat:N::p cats
dog:N::p dogs
mouse:N::p mice
man:N:m:p men
woman:N:f:p women
frog:N::p frogs
monster:N::p monsters
boy:N:m:p boys
girl:N:f:p girls
past:T:
pres:T:
not:Neg:
must:Modal:
can:Modal:
have:Perf::pres has past had pastp had ing having en had
be:Prog::pres is presp are past was pastp were ing being en been
do:V:NP:pres does past did pastp did ing doing en done
sit:V:PP:pres sits past sat pastp sat ing sitting en sat
sleep:V:pres sleeps past slept pastp slept ing sleeping en slept
hate:V:NP:pres hates past hated pastp hated ing hating en hated
love:V:NP:pres loves past loved pastp loved ing loving en loved
chase:V:NP:pres chases past chased pastp chased ing chasing en chased
give:V:NP NP:pres gives past gave pastp gave ing giving en given
think:V:S:pres thinks past thought pastp thought ing thinking en thought
know:V:S:pres knows past knew pastp knew ing knowing en known
want:V:Sinf:pres wants past wanted pastp wanted ing wanting en wanted
put:V:NP PP:pres puts past put pastp put ing putting en put
care:V::pres cares past cared pastp cared ing caring en cared
by:P
near:P
to:P
big:A
little:A
nice:A
nasty:A
beautiful:A
ugly:A
happy:A
sad:A
who:Pron::
he:Pron:m:acc him p they pacc them
she:Pron:f:acc her p they pacc them
everyone:Pron::
someone:Pron::

Phrase structure:

Transformations:

define Aux=Modal|Perf|Prog|Pass
* suppress questions in subclauses
sub lex ø if word Q paste
* plural form of determiners
start find next N copy num find previous D paste find next N loop
* negative
maybe if Aux lex not insert Neg
maybe if no Aux find T lex not insert Neg
* passive
checkif V [NP [NP
yes transform V [NP [NP into »be:Pass [VP 0 1 [PP »by 2 ] ] end subject copy object flip
no transform V [NP into »be:Pass [VP 0 [PP »by 1 ] ] end subject copy object flip
* wh-question
main object ifword who cut prepend transform Comp into »Q
main subject ifword who transform Comp into »ø
* dative movement
maybe transform [NP [NP into 1 [PP »to 0 ]
* question formation
if word Q transform [NP T into 1 0
if word Q find Aux cut find T paste
* object forms of pronouns
find V start find next Pron inflect acc loop
if word inf find V find last Pron inflect acc
* passive inflection
if Pass find next V inflect en
* progressive
if Prog find next V|Pass inflect ing
* perfect
if Perf find next V|Pass|Prog inflect en
* Infinitive S: suppress modal, add to
if word inf find Modal cut
if word inf find T lex to insert
* Do support
if no Aux lex do if Neg find T paste
if no Aux lex do if no Neg if word Q find T paste
* verbal inflection
if no word inf if T cuttense numclip find V|Aux inflect clip

Output