scio: all forms
scio means “know”. Below is its full conjugation in Latin.
Present active
Present active | Indicative | Subjunctive | Imperative |
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| 1st singular | scio | sciam | |
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| 2nd singular | scis | scias | sci |
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| 3rd singular | scit | sciat | |
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| 1st plural | scimus | sciamus | |
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| 2nd plural | scitis | sciatis | scite |
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| 3rd plural | sciunt | sciant | |
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Present passive
Present passive | Indicative | Subjunctive | Imperative |
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| 1st singular | scior | sciar | |
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| 2nd singular | sciris | sciare · sciaris | scire |
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| 3rd singular | scitur | sciatur | |
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| 1st plural | scimur | sciamur | |
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| 2nd plural | scimini | sciamini | scimini |
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| 3rd plural | sciuntur | sciantur | |
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Imperfect active
Imperfect active | Indicative | Subjunctive |
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| 1st singular | sciebam | scirem |
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| 2nd singular | sciebas | scires |
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| 3rd singular | sciebat | sciret |
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| 1st plural | sciebamus | sciremus |
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| 2nd plural | sciebatis | sciretis |
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| 3rd plural | sciebant | scirent |
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Imperfect passive
Imperfect passive | Indicative | Subjunctive |
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| 1st singular | sciebar | scirer |
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| 2nd singular | sciebare · sciebaris | scirere · scireris |
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| 3rd singular | sciebatur | sciretur |
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| 1st plural | sciebamur | sciremur |
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| 2nd plural | sciebamini | sciremini |
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| 3rd plural | sciebantur | scirentur |
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Future active
Future active | Indicative | Imperative |
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| 1st singular | sciam | |
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| 2nd singular | scies | scito |
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| 3rd singular | sciet | scito |
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| 1st plural | sciemus | |
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| 2nd plural | scietis | scitote |
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| 3rd plural | scient | sciunto |
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Future passive
Future passive | Indicative | Imperative |
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| 1st singular | sciar | |
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| 2nd singular | scieris · sciere | scitor |
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| 3rd singular | scietur | scitor |
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| 1st plural | sciemur | |
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| 2nd plural | sciemini | |
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| 3rd plural | scientur | sciuntor |
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Perfect active
Perfect active | Indicative | Subjunctive |
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| 1st singular | scivi | sciverim |
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| 2nd singular | scivisti | sciveris |
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| 3rd singular | scivit | sciverit |
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| 1st plural | scivimus | sciverimus |
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| 2nd plural | scivistis | sciveritis |
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| 3rd plural | sciverunt · scivere | sciverint |
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Pluperfect active
Pluperfect active | Indicative | Subjunctive |
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| 1st singular | sciveram | scivissem |
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| 2nd singular | sciveras | scivisses |
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| 3rd singular | sciverat | scivisset |
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| 1st plural | sciveramus | scivissemus |
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| 2nd plural | sciveratis | scivissetis |
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| 3rd plural | sciverant | scivissent |
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Future perfect active
Future perfect active | Indicative |
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| 1st singular | scivero |
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| 2nd singular | sciveris |
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| 3rd singular | sciverit |
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| 1st plural | sciverimus |
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| 2nd plural | sciveritis |
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| 3rd plural | sciverint |
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Infinitives
Infinitives | Active | Passive |
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| Present | scire | sciri |
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| Perfect | scivisse | |
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Participles
Present active participle, singular | Neuter | Forms |
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| Nominative | | sciens |
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| Genitive | | scientis |
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| Dative | | scienti |
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| Accusative | sciens | scientem |
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| Ablative | | sciente · scienti |
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| Vocative | | sciens |
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Present active participle, plural | Neuter | Forms |
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| Nominative | scientia | scientes |
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| Genitive | | scientum · scientium |
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| Dative | | scientibus |
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| Accusative | scientia | scientes |
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| Ablative | | scientibus |
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| Vocative | scientia | scientes |
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Future active participle, singular | Masculine | Feminine | Neuter | Forms |
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| Nominative | sciturus | scitura | sciturum | |
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| Genitive | scituri | sciturae | scituri | |
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| Dative | scituro | sciturae | scituro | |
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| Accusative | sciturum | scituram | sciturum | |
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| Ablative | scituro | scitura | scituro | |
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| Vocative | sciture | scitura | sciturum | |
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Future active participle, plural | Masculine | Feminine | Neuter | Forms |
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| Nominative | scituri | sciturae | scitura | |
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| Genitive | sciturorum | sciturarum | sciturorum | |
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| Dative | | | | scituris |
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| Accusative | scituros | scituras | scitura | |
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| Ablative | | | | scituris |
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| Vocative | scituri | sciturae | scitura | |
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Perfect passive participle, singular | Masculine | Feminine | Neuter | Forms |
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| Nominative | scitus | scita | scitum | |
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| Genitive | sciti | scitae | sciti | |
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| Dative | scito | scitae | scito | |
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| Accusative | scitum | scitam | scitum | |
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| Ablative | scito | scita | scito | |
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| Vocative | scite | scita | scitum | |
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Perfect passive participle, plural | Masculine | Feminine | Neuter | Forms |
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| Nominative | sciti | scitae | scita | |
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| Genitive | scitorum | scitarum | scitorum | |
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| Dative | | | | scitis |
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| Accusative | scitos | scitas | scita | |
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| Ablative | | | | scitis |
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| Vocative | sciti | scitae | scita | |
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Gerund, gerundive and supine
Gerundive, singular | Masculine | Feminine | Neuter | Forms |
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| Nominative | sciendus | scienda | sciendum | |
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| Genitive | sciendi | sciendae | sciendi | |
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| Dative | sciendo | sciendae | sciendo | |
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| Accusative | sciendum | sciendam | sciendum | |
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| Ablative | sciendo | scienda | sciendo | |
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| Vocative | sciende | scienda | sciendum | |
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Gerundive, plural | Masculine | Feminine | Neuter | Forms |
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| Nominative | sciendi | sciendae | scienda | |
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| Genitive | sciendorum | sciendarum | sciendorum | |
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| Dative | | | | sciendis |
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| Accusative | sciendos | sciendas | scienda | |
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| Ablative | | | | sciendis |
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| Vocative | sciendi | sciendae | scienda | |
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Supine | Forms |
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| Accusative | scitum |
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| Ablative | scitu |
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Meaning and examples of scio
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.