d whether Caesar had_
{ _conquered the Gauls_

_a._ The verb in a direct question is in the indicative mood, but
the mood is subjunctive in an indirect question.

_b._ The tense of the subjunctive follows the rules for tense
sequence.

_c._ Indirect questions are introduced by the same interrogative
words as introduce direct questions, excepting that_yes_-or-_no_
direct questions (cf. Sec. 210) on becoming indirect are usually
introduced by /num\, _whether_.

_432._ RULE. Indirect Questions. _In an indirect question the verb is
in the subjunctive and its tense is determined by the law for tense
sequence._

_433._ IDIOMS

de tertia vigilia, _about the third watch_
iniurias alicui inferre, _to inflict injuries upon some one_
facere verba pro, with the ablative, _to speak in behalf of_
in reliquum tempus, _for the future_

_434._ EXERCISES

I. 1. Rex rogavit quid legati postularent et cur ad se venissent.
2. Quaesivit quoque num nec recentis iniurias nec dubiam Romanorum
amicitiam memoria tenerent. 3. Videtisne quae oppida hostes
oppugnaverint? 4. Nonne scitis cur Galli sub montem sese contulerint?
5. Audivimus quas iniurias tibi Germani intulissent. 6. De tertia
vigilia imperator misit homines qui cognoscerent quae esset natura
montis. 7. Pro his orator verba fecit et rogavit cur consules navis
ad plenem summi periculi locum mittere vellent. 8. Legatis convocatis
demonstravit quid fieri vellet. 9. Nuntius referebat quid in Gallorum
concilio de armis tradendis dictum esset. 10. Moneo ne in reliquum
tempus pedites et equites trans flumen ducas.

II. 1. What hill did they seize? I see what hill they seized. 2. Who
has inflicted these injuries upon our dependents? 3. They asked who had
inflicted those injuries upon their dependents. 4. Whither did you go
about the third watch? You know whither I went. 5. At what time did the
boys return home? I will ask at what time the boys returned home.

LESSON LXXV

VOCABULARY REVIEW : THE DATIVE OF PURPOSE, OR END FOR WHICH

_435._ Review the word lists in Secs. 521, 522.

_436._ Observe the following sentences:

1. Exploratores locum castris delegerunt, _the scouts chose a place
for a camp._

2. Hoc erat magno impedimento Gallis, _this was_ (for) _a great
hindrance to the Gauls._

3. Duas legiones praesidio castris reliquit, _he left two legions
as_ (lit. _for_) _a guard to the