CREATE TABLE "grammar" (
  "m_cha" text,
  "indicative" text,
  "imperative" text,
  "subjunctive" text,
  "inverse_subjunctive" text
);

Question: What subjunctive also has an inverse subjunctive of måchadns?
SQL: SELECT "subjunctive" FROM "grammar" WHERE "inverse_subjunctive"='måchadns';

Question: What imperative has måcha as 3.sg?
SQL: SELECT "imperative" FROM "grammar" WHERE "m_cha"='3.sg';

Question: The indicative of si måchan has what as the inverse subjunctive?
SQL: SELECT "inverse_subjunctive" FROM "grammar" WHERE "indicative"='si måchan';

Question: What inverse subjunctive has — as the imperative and a subjunctive of se måchadn?
SQL: SELECT "inverse_subjunctive" FROM "grammar" WHERE "imperative"='—' AND "subjunctive"='se måchadn';

Question: With a subjunctive of du måchast what is the imperative?
SQL: SELECT "imperative" FROM "grammar" WHERE "subjunctive"='du måchast';

Question: What subjunctive has the indicative of se måchan(t)?
SQL: SELECT "subjunctive" FROM "grammar" WHERE "indicative"='se måchan(t)';