Vox āctīva
Indicātīvus praesēns
| ego | commercor |
| tū | commercāris |
| is / ea / id | commercātur |
| nōs | commercāmur |
| vōs | commercāminī |
| eī / eae / ea | commercantur |
Indicātīvus imperfectum
| ego | commercābar |
| tū | commercābāris |
| is / ea / id | commercābātur |
| nōs | commercābāmur |
| vōs | commercābāminī |
| eī / eae / ea | commercābantur |
Indicātīvus futūrum
| ego | commercābor |
| tū | commercāberis |
| is / ea / id | commercābitur |
| nōs | commercābimur |
| vōs | commercābiminī |
| eī / eae / ea | commercābuntur |
Coniūnctīvus praesēns
| ego | commercer |
| tū | commercēris |
| is / ea / id | commercētur |
| nōs | commercēmur |
| vōs | commercēminī |
| eī / eae / ea | commercentur |
Coniūnctīvus imperfectum
| ego | commercārer |
| tū | commercārēris |
| is / ea / id | commercārētur |
| nōs | commercārēmur |
| vōs | commercārēminī |
| eī / eae / ea | commercārentur |
Imperātīvus praesēns
| tū | commercāre |
| vōs | commercāminī |
Imperātīvus futūrum
| tū | commercātor |
| is / ea / id | commercātor |
| eī / eae / ea | commercantor |
Īnfīnītīvus praesēns
| — | commercārī |
Īnfīnītīvus perfectum
| — | commercātum esse |
Īnfīnītīvus futūrum
| — | commercātūrum esse |
Participium praesēns
| — | commercāns |
Participium futūrum
| — | commercātūrus |
Gerundium (genitīvus)
| — | commercandī |
Gerundium (datīvus)
| — | commercandō |
Gerundium (accūsātīvus)
| — | commercandum |
Gerundium (ablātīvus)
| — | commercandō |
Supīnum (accūsātīvus)
| — | commercātum |
Supīnum (ablātīvus)
| — | commercātū |
Vox passīva
Participium futūrum
| — | commercandus |