dum litterae veniant, morabor, I shall wait for the letter to come.

Substantive Clauses.

294.  A Substantive Clause is one which as a whole serves as the Subject or Object of a verb, or stands in some other case relation.

A. Substantive Clauses developed from the Volitive.

295.  Substantive Clauses Developed from the Volitive are used with the following classes of verbs:—­

1.  With verbs signifying to admonish, request, command, urge, persuade, induce,[51] etc. (conjunctions ut, ne, or ut ne); as,—­

    postulo ut fiat, I demand that it be done (dependent form of the
    Jussive fiat, let it be done!);

    orat, ne abeas, he begs that you will not go away;

    milites cohortatus est ut hostium impetum sustinerent, he exhorted his
    soldiers to withstand the attack of the enemy;

    Helvetiis persuasit ut exirent, he persuaded the Helvetii to march
    forth.

  a.  Jubeo, command, order, regularly takes the Infinitive.

2.  With verbs signifying to grant, concede, permit, allow,[52] etc. (conjunction ut); as,—­

    huic concedo ut ea praetereat, I allow him to pass that by (dependent
    form of the Jussive ea praetereat, let him pass that by!);

    consuli permissum est ut duas legiones scriberet, the consul was
    permitted to enroll two legions.

3.  With verbs of hindering, preventing,[53] etc. (conjunctions ne, quominus, quin); as,—­

    ne lustrum perficeret, mors prohibuit, death prevented him from
    finishing the lustrum (dependent form after past tense of ne lustrum
    perficiat, let him not finish, etc.);

    prohibuit quominus in unum coirent, he prevented them from coming
    together;

    nec quin erumperet, prohiberi poterat, nor could he be prevented from
    rushing forth.

  a.  Quin is used only when the verb of hindering is accompanied by a
  negative, or stands in a question implying a negative; it is not
  necessarily used even then.

4.  With verbs of deciding, resolving,[54] etc. (conjunctions ut, ne, or ut ne); as,—­

    constitueram ut pridie Idus Aquini manerem, I had decided to remain at
    Aquinum on the 12th;

    decrevit senatus ut Opimius videret, the Senate decreed that Opimius
    should see to it;

    convenit ut unis castris miscerentur, it was agreed that they should
    be united in one camp.

5.  With verbs of striving,[55] etc. (conjunctions ut, ne, or ut ne); as,—­

    fac ut eum exores, see to it that you prevail upon him!