The rules that use the category "<aux-vform_inf-vform_subcat_base>" are:

<vp-system_utterance-inf-gapsout_null-gapsin_null-system>

<aux-vform_inf-vform_subcat_base> <vp-system_utterance-base-gapsout_null-gapsin_null-system>

<vp-system_utterance-inf-gapsout_null-gapsin_null-unit>

<aux-vform_inf-vform_subcat_base> <vp-system_utterance-base-gapsout_null-gapsin_null-unit>

<vp-inf-not_mod-gapsout_null-gapsin_null-unit>

<aux-vform_inf-vform_subcat_base> <vp-base-not_mod-gapsout_null-gapsin_null-unit>

<vp-inf-gapsout_null-gapsin_null-unit>

<aux-vform_inf-vform_subcat_base> <vp-base-gapsout_null-gapsin_null-unit>

<vp-system_utterance-inf-not_mod-gapsout_null-gapsin_null-unit>

<aux-vform_inf-vform_subcat_base> <vp-system_utterance-base-not_mod-gapsout_null-gapsin_null-unit>

<vp-system_utterance-inf-not_mod-gapsout_null-gapsin_null-system>

<aux-vform_inf-vform_subcat_base> <vp-system_utterance-base-not_mod-gapsout_null-gapsin_null-system>