erson
singular of the passive, as /i:tur\, /itum est\, _etc._

_b._ In the perfect system the forms with /v\ are very rare.

_500._ /fi:o:\, passive of /facio:\; _be made, become, happen_

PRINCIPAL PARTS fi:o:, fieri:, factus sum

INDICATIVE SUBJUNCTIVE IMPERATIVE
Pres. fi:o: ---- fi:am 2d Pers. fi: fi:te
fi:s ----
fit fi:unt
Impf. fi:e:bam fierem
Fut. fi:am ----

INDICATIVE SUBJUNCTIVE
Perf. factus, -a, -um sum factus, -a, -um sim
Plup. factus, -a, -um eram factus, -a, -um essem
F. P. factus, -a, -um ero:

INFINITIVE PARTICIPLES
Pres. fieri: Perf. factus, -a, -um
Perf. factus, -a, -um esse Ger. faciendus, -a, -um
Fut. [[factum i:ri:]]

[Illustration: CASTRA MURO FOSSAQUE MUNIUNTUR]

APPENDIX II

_501._ RULES OF SYNTAX

NOTE. The rules of syntax are here classified and numbered
consecutively. The number of the text section in which the rule appears
is given at the end of each.

_Nominative Case_

_1._ The subject of a finite verb is in the nominative and answers the
question Who? or What? Sec. 36.

_Agreement_

_2._ A finite verb must always be in the same person and number as its
subject. Sec. 28.

_3._ A predicate noun agrees in case with the subject of the verb.
Sec. 76.

_4._ An appositive agrees in case with the noun which it explains.
Sec. 81.

_5._ Adjectives agree with their nouns in gender, number, and case.
Sec. 65.

_6._ A predicate adjective completing a complementary infinitive
agrees in gender, number, and case with the subject of the main verb.
Sec. 215.a.

_7._ A relative pronoun must agree with its antecedent in gender and
number; but its case is determined by the way it is used in its own
clause. Sec. 224.

_Prepositions_

_8._ A noun governed by a preposition must be in the accusative or
ablative case. Sec. 52.

_Genitive Case_

_9._ The word denoting the owner or possessor of something is in the
genitive and answers the question Whose? Sec. 38.

_10._ The possessive genitive often stands in the predicate,
especially after the forms of /sum\, and is then called the _predicate
genitive_. Sec. 409.

_11._ Words denoting a part are often used with the genitive of the
whole, known as _th