possum: all forms
possum means “be able, can”. Below is its full conjugation in Latin.
Present active
Present active | Indicative | Subjunctive |
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| 1st singular | possum | possim |
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| 2nd singular | potes | possis |
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| 3rd singular | potest | possit |
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| 1st plural | possumus | possimus |
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| 2nd plural | potestis | possitis |
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| 3rd plural | possunt | possint |
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Imperfect active
Imperfect active | Indicative | Subjunctive |
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| 1st singular | poteram | possem |
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| 2nd singular | poteras | posses |
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| 3rd singular | poterat | posset |
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| 1st plural | poteramus | possemus |
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| 2nd plural | poteratis | possetis |
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| 3rd plural | poterant | possent |
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Future active
Future active | Indicative |
|---|
| 1st singular | potero |
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| 2nd singular | poteris |
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| 3rd singular | poterit |
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| 1st plural | poterimus |
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| 2nd plural | poteritis |
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| 3rd plural | poterunt |
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Perfect active
Perfect active | Indicative | Subjunctive |
|---|
| 1st singular | potui | potuerim |
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| 2nd singular | potuisti | potueris |
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| 3rd singular | potuit | potuerit |
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| 1st plural | potuimus | potuerimus |
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| 2nd plural | potuistis | potueritis |
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| 3rd plural | potuerunt · potuere | potuerint |
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Pluperfect active
Pluperfect active | Indicative | Subjunctive |
|---|
| 1st singular | potueram | potuissem |
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| 2nd singular | potueras | potuisses |
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| 3rd singular | potuerat | potuisset |
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| 1st plural | potueramus | potuissemus |
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| 2nd plural | potueratis | potuissetis |
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| 3rd plural | potuerant | potuissent |
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Future perfect active
Future perfect active | Indicative |
|---|
| 1st singular | potuero |
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| 2nd singular | potueris |
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| 3rd singular | potuerit |
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| 1st plural | potuerimus |
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| 2nd plural | potueritis |
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| 3rd plural | potuerint |
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Infinitives
Infinitives | Active |
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| Present | posse |
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| Future | potfore |
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| Perfect | potuisse |
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Meaning and examples of possum
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.