1. Verbs of the Third Conjugation usually end in -i- and are almost always thematic.
2. The Present is thematic, while the Imperfect is athematic in -s-.
Verb: trudio [from treud, squeeze], compress (cf. eng. thrust)
| Present Stem | Imperfect Stem | Perfect Stem | Future Stem | 
| trudie/o- | trudies- | (tre)trodie/o- | tredise/o- | 
3. The Present is formed with the Present stem and primary endings. The Subjunctive, thematic, with lengthened vowel.
| 
 | 
 | Indicative | Subjunctive | Optative | 
| 
 | 
 | Present | ||
| Sg. | 1. | trudio | trudiom | trudioim | 
| 2. | trudiesi | trudies | trudiois | |
| 3. | trudieti | trudiet | trudioit | |
| Pl. | 1. | trudiomos | trudiomo | trudioime | 
| 2. | trudiethe | trudiete | trudioite | |
| 3. | trudionti | trudiont | trudioient | |
4. The Imperfect is formed with the Imperfect stem, i.e., athematic in -(e)-s and secondary desinences. When the Indicative is athematic, the Subjunctive is thematic.
| 
 | 
 | Imperfect | ||
| Sg. | 1. | trudiesm | trudiesom | trudiesiem | 
| 2. | trudiess | trudieses | trudiesies | |
| 3. | trudiest | trudieset | trudiesiet | |
| Pl. | 1. | trudiesme | trudiesomo | trudiesime | 
| 2. | trudieste | trudiesete | trudiesite | |
| 3. | trudiesent | trudiesont | trudiesint | |
5. The Perfect is made with root vowel o/Ø, and Perfect endings. The Subjunctive is formed with secondary endings and lengthened theme vowel.
| 
 | 
 | Perfect | ||
| Sg. | 1. | (tre)trodia | (tre)trodiom | (tre)trodioim | 
| 2. | (tre)trodietha | (tre)trodies | (tre)trodiois | |
| 3. | (tre)trodie | (tre)trodiet | (tre)trodioit | |
| Pl. | 1. | (tre)trudiome | (tre)trudiomo | (tre)trudioime | 
| 2. | (tre)trudiete | (tre)trudiete | (tre)trudioite | |
| 3. | (tre)trudier | (tre)trudiont | (tre)trudioient | |
6. The Past Perfect is formed with the Perfect stem, adding secondary desinences. The Subjunctive, with lengthened theme vowel and secondary endings.
| 
 | 
 | Past Perfect | ||
| Sg. | 1. | (tre)trodiom | (tre)trodiom | (tre)trodioim | 
| 2. | (tre)trodies | (tre)trodies | (tre)trodiois | |
| 3. | (tre)trodiet | (tre)trodiet | (tre)trodioit | |
| Pl. | 1. | (tre)trudiomo | (tre)trudiomo | (tre)trudioime | 
| 2. | (tre)trudiete | (tre)trudiete | (tre)trudioite | |
| 3. | (tre)trudiont | (tre)trudiont | (tre)trudioient | |
7. The Future is formed generally with root vowel e and an -s- ending, and primary desinences.
| 
 | 
 | Future | ||
| Sg. | 1. | trediso | tredisom | tredisoim | 
| 2. | tredisesi | tredises | tredisois | |
| 3. | trediseti | trediset | tredisoit | |
| Pl. | 1. | tredisomos | tredisomo | tredisoime | 
| 2. | tredisethe | tredisete | tredisoite | |
| 3. | tredisonti | tredisont | tredisoient | |
8. The Conditional is made with the Future stem and secondary endings.
| 
 | 
 | Conditional | ||
| Sg. | 1. | tredisom | tredisom | tredisoim | 
| 2. | tredises | tredises | tredisois | |
| 3. | trediset | trediset | tredisoit | |
| Pl. | 1. | tredisomo | tredisomo | tredisoime | 
| 2. | tredisete | tredisete | tredisoite | |
| 3. | tredisont | tredisont | tredisoient | |
The Middle Voice is made as follows:
9. The Present Middle is formed with the Present stem and Middle primary endings.
| 
 | 
 | Indicative | Subjunctive | Optative | 
| 
 | 
 | Present Middle | ||
| Sg. | 1. | trudiai | trudioma | trudioima | 
| 2. | trudiesoi | trudieso | trudioiso | |
| 3. | trudietoi | trudieto | trudioito | |
| Pl. | 1. | trudiomesdha | trudiomedha | trudioimedha | 
| 2. | trudiedhe | trudiodhue | trudioidhue | |
| 3. | trudiontoi | trudionto | trudioiento | |
10. The Imperfect Middle is formed with the Imperfect stem and Middle secondary endings, with accent on the theme vowel. The Subjunctive is thematic when the Indicative is athematic.
| 
 | 
 | Imperfect Middle | ||
| Sg. | 1. | trudiesma | trudiesoma | trudiesiema | 
| 2. | trudiesso | trudieseso | trudiesieso | |
| 3. | trudiesto | trudieseto | trudiesieto | |
| Pl. | 1. | trudiesmedha | trudiesomedha | trudiesimedha | 
| 2. | trudiesdhue | trudiesedhue | trudiesidhue | |
| 3. | trudiesnto | trudiesonto | trudiesinto | |
11. The Perfect Middle is made with root vowel Ø and the Middle secondary endings.
| 
 | 
 | Perfect Middle | ||
| Sg. | 1. | (tre)trudioma | (tre)trudioma | (tre)trudioima | 
| 2. | (tre)trudieso | (tre)trudieso | (tre)trudioiso | |
| 3. | (tre)trudieto | (tre)trudieto | (tre)trudioito | |
| Pl. | 1. | (tre)trudiomedha | (tre)trudiomedha | (tre)trudioimedha | 
| 2. | (tre)trudiedhue | (tre)trudiedhue | (tre)trudioidhue | |
| 3. | (tre)trudionto | (tre)trudionto | (tre)trudioiento | |
12. The Past Perfect Middle is formed with the Perfect stem and Middle secondary endings.
| 
 | 
 | Past Perfect Middle * | ||
| Sg. | 1. | (tre)trodioma | (tre)trodioma | (tre)trodioima | 
| 2. | (tre)trodieso | (tre)trodieso | (tre)trodioiso | |
| 3. | (tre)trodieto | (tre)trodieto | (tre)trodioito | |
| Pl. | 1. | (tre)trudiomedha | (tre)trudiomedha | (tre)trudioimedha | 
| 2. | (tre)trudiedhue | (tre)trudiedhue | (tre)trudioidhue | |
| 3. | (tre)trudionto | (tre)trudionto | (tre)trudioiento | |
13. The Future Middle is formed with the Future stem and Middle primary endings.
| 
 | 
 | Future Middle | ||
| Sg. | 1. | tredisai | tredisoma | tredisoima | 
| 2. | tredisesoi | trediseso | tredisoiso | |
| 3. | tredisetoi | trediseto | tredisoito | |
| Pl. | 1. | tredisomesdha | tredisomedha | tredisoimedha | 
| 2. | tredisedhe | tredisedhue | tredisoidhue | |
| 3. | tredisontoi | tredisonto | tredisoiento | |
14. The Conditional Middle is made with the Future stem and Middle secondary endings.
| 
 | 
 | Conditional Middle | ||
| Sg. | 1. | tredisoma | tredisoma | tredisoima | 
| 2. | trediseso | trediseso | tredisoiso | |
| 3. | trediseto | trediseto | tredisoito | |
| Pl. | 1. | tredisomedha | tredisomedha | tredisoimedha | 
| 2. | tredisedhue | tredisedhue | tredisoidhue | |
| 3. | tredisonto | tredisonto | tredisoiento | |
15. The Passive Voice is formed like the Middle but with Passive endings.
| 
 | 
 | Indicative | Subjunctive | Optative | 
| 
 | 
 | Present Passive | ||
| Sg. | 1. | trudiar | trudiomar | trudioimar | 
| 2. | trudiesor | trudiesor | trudioisor | |
| 3. | trudietor | trudietor | trudioitor | |
| Pl. | 1. | trudiomor | trudiomor | trudioimor | 
| 2. | trudiedhuer | trudiodhuer | trudioidhuer | |
| 3. | trudiontor | trudiontor | trudioientor | |
| 
 | 
 | Imperfect Passive | ||
| Sg. | 1. | trudiesmar | trudiesomar | trudiesiemar | 
| 2. | trudiessor | trudiesesor | trudiesiesor | |
| 3. | trudiestor | trudiesetor | trudiesietor | |
| Pl. | 1. | trudiesmor | trudiesomor | trudiesimor | 
| 2. | trudiesdhuer | trudiesedhuer | trudiesidhuer | |
| 3. | trudiesntor | trudiesontor | trudiesintor | |
| 
 | 
 | Perfect Passive | ||
| Sg. | 1. | (tre)trudiomar | (tre)trudiomar | (tre)trudioimar | 
| 2. | (tre)trudiesor | (tre)trudiesor | (tre)trudioisor | |
| 3. | (tre)trudietor | (tre)trudietor | (tre)trudioitor | |
| Pl. | 1. | (tre)trudiomor | (tre)trudiomor | (tre)trudioimor | 
| 2. | (tre)trudiedhuer | (tre)trudiedhuer | (tre)trudioidhuer | |
| 3. | (tre)trudiontor | (tre)trudiontor | (tre)trudioientor | |
| 
 | 
 | Past Perfect Passive* | ||
| Sg. | 1. | (tre)trodiomar | (tre)trodiomar | (tre)trodioimar | 
| 2. | (tre)trodiesor | (tre)trodiesor | (tre)trodioisor | |
| 3. | (tre)trodietor | (tre)trodieto | (tre)trodioitor | |
| Pl. | 1. | (tre)trudiomor | (tre)trudiomor | (tre)trudioimor | 
| 2. | (tre)trudiedhuer | (tre)trudiedhuer | (tre)trudioidhuer | |
| 3. | (tre)trudiontor | (tre)trudiontor | (tre)trudioientor | |
| 
 | 
 | Future Passive | ||
| Sg. | 1. | tredisar | tredisomar | tredisoimar | 
| 2. | tredisesor | tredisesor | tredisoisor | |
| 3. | tredisetor | tredisetor | tredisoitor | |
| Pl. | 1. | tredisomor | tredisomor | tredisoimor | 
| 2. | tredisedhuer | tredisedhuer | tredisoidhuer | |
| 3. | tredisontor | tredisontor | tredisoientor | |
| 
 | 
 | Conditional Passive | ||
| Sg. | 1. | tredisomar | tredisomar | tredisoimar | 
| 2. | tredisesor | tredisesor | tredisoisor | |
| 3. | tredisetor | tredisetor | tredisoitor | |
| Pl. | 1. | tredisomor | tredisomor | tredisoimor | 
| 2. | tredisedhuer | tredisedhuer | tredisoidhuer | |
| 3. | tredisontor | tredisontor | tredisoientor | |
16. The Imperative is made as follows:
| 
 | 
 | Present | 
| SING. | 2. | trudie | 
| 
 | 3. | trudietod | 
| PLUR. | 2. | trudiete | 
| 
 | 3. | trudiontod | 
17. The rest of the possible formations are shown in the next table:
| 
 | Europaio | English | 
| Infinitive | trudio | to compress | 
| Verbal Noun | trudio- | the compressing | 
| Present Participle | trudiont | who compresses, who compressed, ... | 
| Perfect Participle | trudiuos | compressed | 
| Middle Participle | trudiemno- | who compresses himself | 
| Passive Participle | trudieto- | (been) compressed | 
| Gerundive | trudielo- | who has to be compressed | 
| Absolutive/Gerund | trudielo | of compressing, to the compressing,... |