Dūcō means “lead,” “guide,” “conduct,” or “draw.” Its principal parts are dūcō, dūcere, dūxī, ductum. The present system keeps dūc-, the perfect active changes to dūx-, and the supine system uses duct-.
The singular command is the short dūc, not dūce. Beyond physical leading, the verb appears in common expressions for spending a life, marrying, drawing a line, and considering someone to be something.
Indicative: Complete Active Paradigm
| Tense | 1st sg. | 2nd sg. | 3rd sg. | 1st pl. | 2nd pl. | 3rd pl. |
|---|---|---|---|---|---|---|
| Present | dūcō | dūcis | dūcit | dūcimus | dūcitis | dūcunt |
| Imperfect | dūcēbam | dūcēbās | dūcēbat | dūcēbāmus | dūcēbātis | dūcēbant |
| Future | dūcam | dūcēs | dūcet | dūcēmus | dūcētis | dūcent |
| Perfect | dūxī | dūxistī | dūxit | dūximus | dūxistis | dūxērunt / dūxēre |
| Pluperfect | dūxeram | dūxerās | dūxerat | dūxerāmus | dūxerātis | dūxerant |
| Future perfect | dūxerō | dūxeris | dūxerit | dūxerimus | dūxeritis | dūxerint |
Dūx cohortēs per densam silvam dūcit.
The commander is leading the cohorts through a dense forest.
Pāstor ovēs ad flūmen dūcēbat.
The shepherd was leading the sheep to the river.
Crās hospitēs per urbem dūcēmus.
Tomorrow we shall guide the guests through the city.
Via nōs ad portum dūxit.
The road led us to the harbor.
The person or thing led is accusative. Destination commonly uses ad/in + accusative; route uses per + accusative or an ablative where appropriate.
Subjunctive: Complete Active Paradigm
| Tense | 1st sg. | 2nd sg. | 3rd sg. | 1st pl. | 2nd pl. | 3rd pl. |
|---|---|---|---|---|---|---|
| Present | dūcam | dūcās | dūcat | dūcāmus | dūcātis | dūcant |
| Imperfect | dūcerem | dūcerēs | dūceret | dūcerēmus | dūcerētis | dūcerent |
| Perfect | dūxerim | dūxerīs | dūxerit | dūxerīmus | dūxerītis | dūxerint |
| Pluperfect | dūxissem | dūxissēs | dūxisset | dūxissēmus | dūxissētis | dūxissent |
First-person dūcam can be future indicative or present subjunctive. Crās exercitum dūcam asserts the future; imperat ut exercitum dūcam places the form in an indirect command.
Dūx imperat ut equitēs agmen dūcant.
The commander orders the cavalry to lead the column.
Sī viam scīrem, vōs ad fontem dūcerem.
If I knew the way, I would lead you to the spring.
Passive Voice
| Tense | 1st sg. | 2nd sg. | 3rd sg. | 1st pl. | 2nd pl. | 3rd pl. |
|---|---|---|---|---|---|---|
| Present | dūcor | dūceris | dūcitur | dūcimur | dūciminī | dūcuntur |
| Imperfect | dūcēbar | dūcēbāris | dūcēbātur | dūcēbāmur | dūcēbāminī | dūcēbantur |
| Future | dūcar | dūcēris | dūcētur | dūcēmur | dūcēminī | dūcentur |
| Present subjunctive | dūcar | dūcāris | dūcātur | dūcāmur | dūcāminī | dūcantur |
| Imperfect subjunctive | dūcerer | dūcerēris | dūcerētur | dūcerēmur | dūcerēminī | dūcerentur |
The perfect passive system uses ductus, -a, -um plus the appropriate form of sum: perfect indicative ductus sum, pluperfect ductus eram, future perfect ductus erō; perfect subjunctive ductus sim, pluperfect ductus essem. Change the participle for the subject’s gender and number and conjugate the auxiliary for person.
Captīvī in castra dūcuntur.
The captives are being led into the camp.
Legiō per angustam vallem ducta est.
The legion was led through a narrow valley.
Passive agreement distinguishes the receiver from the agent: legiō ducta est ā centuriōne. The destination stays in its ordinary motion construction.
Imperatives and Non-Finite Forms
The singular present active imperative is dūc; plural dūcite. The fuller dūce occurs in (early/archaic) Latin but is not the neutral Classical default. The active future imperative has dūcitō (second or third person singular), dūcitōte (second plural), and dūcuntō (third plural). Present passive dūcere, dūciminī and future passive dūcitor, dūcuntor exist but are rare. Compounds normally keep the short singular: addūc, abdūc, redūc.
The formation belongs to the small high-frequency set explained under the present active imperative.
Dūc mē ad sorōrem tuam.
Lead me to your sister.
| Category | Active | Passive |
|---|---|---|
| Present infinitive | dūcere | dūcī |
| Perfect infinitive | dūxisse | ductum esse |
| Future infinitive | ductūrum esse | ductum īrī |
| Participles | dūcēns; ductūrus | ductus; dūcendus |
| Gerund | dūcendī, dūcendō, dūcendum, dūcendō | — |
| Supines | ductum, ductū | — |
In future passive ductum īrī, ductum is the invariant supine, not a participle agreeing with the subject. The construction is rare; recognizing it matters more than producing it in elementary prose.
Dīxit sē exercitum in Ītaliam ductūrum esse.
He said that he would lead the army into Italy.
Grex ante noctem domum dūcendus est.
The flock must be led home before nightfall.
Extended Meanings and Idioms
The idea “draw or conduct along a course” supports several regular extensions:
| Expression | Meaning |
|---|---|
| uxōrem dūcere | marry a wife |
| vītam dūcere | lead/spend a life |
| līneam dūcere | draw a line |
| originem dūcere ab + ablative | derive one’s origin from |
| aliquem sapientem dūcere | consider someone wise |
| in numerō hostium dūcere | count among the enemy |
Post bellum agricola vītam quiētam dūxit.
After the war, the farmer led a quiet life.
Mārcus Lūciam uxōrem dūxit.
Marcus married Lucia.
In the marriage idiom the woman is the object of dūcere. Classical social vocabulary reflects a male subject’s perspective; it should not be generalized into a gender-neutral modern marriage formula.
Compounds
Compounds preserve the same stem alternation and add direction or a lexicalized meaning:
| Verb | Perfect/supine | Meaning |
|---|---|---|
| abdūcō | abdūxī, abductum | lead away |
| addūcō | addūxī, adductum | lead to; induce |
| condūcō | condūxī, conductum | bring together; hire |
| dēdūcō | dēdūxī, dēductum | lead down/away; escort |
| indūcō | indūxī, inductum | lead in; induce |
| perdūcō | perdūxī, perductum | lead through/to a goal |
| redūcō | redūxī, reductum | lead back |
| trādūcō | trādūxī, trāductum | lead across, transfer |
Amīcus mē ad iūdicem addūxit, deinde domum redūxit.
A friend led me to the judge and then brought me home.
The impersonal phrase ad rem condūcit means “it is advantageous/relevant to the matter,” a (formal) lexical extension of condūcō.
Aspect, Voice, and Direction
Tense affects how the guided movement is viewed. Dūcēbat can describe a procession in progress or a leader’s repeated practice; dūxit presents the route as completed. English “led” hides this contrast, so surrounding temporal expressions matter.
Per trēs hōrās agmen dūcēbat; tandem mīlitēs ad castra dūxit.
For three hours he was leading the column; at last he brought the soldiers to camp.
In the passive, the party being led becomes nominative, but direction remains separate: mīlitēs in castra dūcuntur ā centuriōne. A prefix can absorb part of the direction, yet a complement may still specify the endpoint: mīlitēs ex urbe abdūxit “he led the soldiers away from the city”; eōs ad portum perdūxit “he brought them all the way to the harbor.”
Captīvī ex forō abductī sunt et ad carcerem perductī sunt.
The captives were led away from the forum and brought to the prison.
Notice how abductī and perductī agree with masculine plural captīvī. The prefixes change direction and completion, while duct- still identifies the perfect passive system.
Parsing Diagnostic
Identify dūc-, dūx-, or duct- before translating. Then check whether the accusative is physically led, metaphorically conducted, or linked to a result predicate. Finally inspect any prefix: addūxit means “led to/brought,” while abdūxit means “led away.”
Common Mistakes
Regularizing the perfect
❌ Dūx mīlitēs dūcuit.
Incorrect — the perfect stem is dūx-.
✅ Dūx mīlitēs dūxit.
The commander led the soldiers.
Restoring the regular-looking -e
⚠️ Dūce nōs ad portum.
Early/archaic rather than the neutral Classical default; standard prose uses the shortened command dūc.
✅ Dūc nōs ad portum.
Lead us to the harbor.
Omitting the direct object’s accusative
❌ Pāstor ovēs ad flūmen dūcunt.
Incorrect — singular pāstor requires dūcit, although plural ovēs is its object.
✅ Pāstor ovēs ad flūmen dūcit.
The shepherd leads the sheep to the river.
Guessing a compound’s meaning from English alone
⚠️ Mercātōrem abdūcō ad forum.
Possible as ‘I lead the merchant away to the forum,’ but not the neutral choice if arrival is the point: abdūcō foregrounds removal from a source.
✅ Mercātōrem addūcō ad forum.
I lead the merchant to the forum.
Key Takeaways
- Memorize dūcō, dūcere, dūxī, ductum and the short imperative dūc.
- Present dūc-, perfect dūx-, and supine duct- identify the system.
- The verb has a full personal passive and a complete non-finite inventory.
- Physical “leading” extends into established idioms for marriage, life, drawing, origin, and judgment.
- Compounds preserve the stem changes but add directional or lexical meaning.
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