What are the approximate translations when the morphological category is masc. sing. active participle?
CREATE TABLE "triconsonantal_roots" (
  "semitological_abbreviation" text,
  "hebrew_name" text,
  "arabic_name" text,
  "morphological_category" text,
  "hebrew_form" text,
  "arabic_form" text,
  "approximate_translation" text
);
SELECT "approximate_translation" FROM "triconsonantal_roots" WHERE "morphological_category"='masc. sing. active participle';