Orator pro bono communi in contione loquitur.

Because loquitur comes from a deponent verb: loquor, loqui, locutus sum.

Deponent verbs have passive-looking forms but active meanings. So:

• loquitur = he/she speaks or is speaking
• not he/she is spoken

This is very common in Latin, and loquor is one of the most important deponent verbs to learn early.

Orator is in the nominative singular, which is the normal case for the subject of a sentence.

Here it matches the verb loquitur in number:

• orator = the speaker / orator
• loquitur = speaks

So orator is the one doing the action.

Because the preposition pro takes the ablative case.

So the noun phrase after pro must be ablative:

• bonum commune = nominative or accusative, the common good
• bono communi = ablative, for the common good

Both words change because they agree with each other:

• bono = ablative singular of bonum
• communi = ablative singular of communis, commune

So pro bono communi literally means for the common good.

Because communi is the ablative singular form of the adjective communis, commune.

It agrees with bono, which is also ablative singular. In Latin, adjectives must agree with the nouns they describe in:

• gender
• number
• case

Here:

• bono = neuter, singular, ablative
• communi = neuter, singular, ablative

So communi has that ending because it must match bono.

In contione is a prepositional phrase meaning in the assembly or at the public meeting.

Here in takes the ablative because it expresses location:

• in + ablative = in / on / at somewhere
• in + accusative = into / onto / toward somewhere

So:

• in contione = in the assembly
• not movement into it, but location within it

Contione is ablative singular of contio, contionis (feminine), a third-declension noun.

So the dictionary form is:

• contio = assembly, public meeting, harangue

Its ablative singular is:

• contione

That is why the phrase is in contione.

Latin word order is much more flexible than English word order because Latin uses case endings to show grammatical function.

Putting the verb at the end is very common in Latin prose, though not required. So:

• Orator pro bono communi in contione loquitur
• literally: The speaker for the common good in the assembly speaks

A smoother English translation rearranges this, but the Latin is perfectly normal.

Word order in Latin often helps with:

• emphasis
• rhythm
• style

not just basic grammar.

Often, yes. Because the endings show the grammatical roles, Latin can move words around more freely than English.

For example, these would still be understandable Latin:

• In contione orator pro bono communi loquitur
• Pro bono communi orator in contione loquitur

The basic meaning stays the same, though the emphasis may shift. A writer might put a phrase earlier for stress or style.

Latin has no articles. There is no direct equivalent of English the, a, or an.

So orator can mean:

• an orator
• the orator
• sometimes just orator in a general sense

The exact force usually comes from context.

The same is true for contione:

• in an assembly
• in the assembly
• at a public meeting

Context tells you which is best in translation.

It can mean either, depending on context.

Latin present tense often covers both:

• simple present: speaks
• progressive present: is speaking

So loquitur may be translated in more than one natural English way. The context decides which sounds best.

Not always exactly. Orator in Latin can mean:

• speaker
• public speaker
• orator
• sometimes a more formal or skilled speaker

Because English borrowed orator from Latin, the words are closely related, but in translation you may sometimes use speaker if that sounds more natural.

Yes, but not in exactly the same way.

In Latin:

• pro bono communi means for the common good

In modern English, pro bono usually means professional work done free of charge, especially legal work. That English phrase comes from the longer Latin expression pro bono publico or similar formulations meaning for the public good.

So the phrase in this sentence is genuine Latin grammar, not just a modern borrowing.

A common classroom pronunciation would be roughly:

OH-ra-tor pro BO-no kom-MOO-nee in kon-tee-OH-neh LO-kwee-toor

A few helpful points:

• c is always hard, like k
• v in restored classical pronunciation is closer to w, though many classrooms pronounce it like English v
• qu sounds like kw
• ti in contione is usually pronounced clearly, not like English sh

If you are learning ecclesiastical pronunciation, some sounds will differ, but the grammar stays the same.