Positive purpose and positive result both commonly use ut with the subjunctive. Under negation, Classical Latin exposes the distinction: a negative purpose normally uses nē, while a negative result normally uses ut nōn. English “so that ... not” can translate either one, so carrying the English wording directly into Latin conceals the crucial question: is non-occurrence intended, or does it actually follow as a consequence?
The correction is conceptual before it is lexical. Ask “what was someone trying to prevent?” for purpose and “what failed to happen as a consequence?” for result. Then choose the negative marker. See Purpose versus Result Clauses for the complete constructional contrast; here the aim is to diagnose and repair the recurrent negative error.
The distinction in one contrast
Iānuam clausit nē fūr effugeret.
He closed the door so that the thief would not escape. (intended prevention: purpose)
Iānuam tam firmē clausit ut fūr effugere nōn posset.
He closed the door so firmly that the thief could not escape. (actual consequence: result)
In the first sentence an agent closes the door with a goal in mind. Whether the thief ultimately escaped is not asserted. In the second, tam firmē establishes a degree and the ut clause reports what followed from it. The subjunctive does not make that consequence imaginary; it marks the clause as result.
Parse the main clause before the negative word
Purpose is strongly associated with controllable action: sending, warning, hiding, closing, hurrying, or preparing. Result is strongly associated with degree and quantity expressions such as tam, tantus, ita, adeō, tot, and tālis. These are diagnostics, not magic triggers, but they show how the speaker organizes the relation.
Servus lūcernam extinxit nē quis intrantēs vidēret.
The slave put out the lamp so that no one would see those entering.
Locus tam obscūrus erat ut nēmō intrantēs vidēret.
The place was so dark that no one saw those entering.
The extinguishing has a human purpose. The darkness itself need not intend anything; its degree produces a consequence. English can use “so that no one” in both translations, but Latin normally changes both the conjunction and the indefinite pronoun.
Negative indefinites change with the construction
Purpose usually combines nē with a non-assertive indefinite:
| Intended prevention | Purpose form | Typical English |
|---|---|---|
| any person acting | nē quis | so that no one |
| anything happening | nē quid | so that nothing |
| any individual item/person | nē ūllus | so that no ... |
| at any time | nē umquam | so that never |
Result asserts a negative consequence and therefore keeps the ordinary negative series:
| Negative consequence | Result form | Typical English |
|---|---|---|
| no person acted | ut nēmō | so ... that no one |
| nothing happened | ut nihil | so ... that nothing |
| not one item/person | ut nūllus | so ... that no ... |
| it never happened | ut numquam | so ... that never |
Tabellārius epistulam occultāvit nē quis eam legeret.
The courier hid the letter so that no one would read it.
Litterae adeō obscūrē scrīptae erant ut nēmō eās legere posset.
The letter was written so illegibly that no one could read it.
Do not mechanically translate nē quis as “lest anyone” in every register. “So that no one” is often natural English. Conversely, do not let English “no one” force nēmō after nē.
Six wrong-to-correct contrasts
1. Purpose needs a subjunctive, not an indicative report
❌ Custōs portam clausit nē captīvus effūgit.
Incorrect: nē introducing intended prevention requires a subjunctive; effūgit is indicative.
✅ Custōs portam clausit nē captīvus effugeret.
The guard closed the gate so that the prisoner would not escape.
2. A negative result keeps ut
❌ Saxum tam grave erat ut id movēre nōn poterāmus.
Incorrect: a result clause introduced by ut requires the subjunctive; poterāmus is indicative.
✅ Saxum tam grave erat ut id movēre nōn possēmus.
The stone was so heavy that we could not move it.
3. Use nē quis, not nē nēmō, for “so that no one”
❌ Signum occultāvit nē nēmō id vidēret.
Incorrect for ‘so that no one would see it’: nē plus nēmō creates the wrong negative logic.
✅ Signum occultāvit nē quis id vidēret.
He hid the signal so that no one would see it.
4. Result keeps the ordinary negative indefinite
❌ Tanta calīgō erat ut quis viam nōn vidēret.
Incorrect for ‘no one could see the road’: quis nōn means an unspecified person did not, not that nobody did.
✅ Tanta calīgō erat ut nēmō viam vidēret.
There was such fog that no one could see the road.
5. Do not let a result signal word coexist with a purpose marker
❌ Tam lentē locūtus est ut verba nē audīrī possent.
Incorrect: once ut introduces the result clause, its ordinary clause negator is nōn, not an inserted nē.
✅ Tam lentē locūtus est ut verba audīrī nōn possent.
He spoke so softly that the words could not be heard.
6. Do not replace every nē with ut nōn after seeing English “not”
❌ Explorātōr sē occultāvit ut hostēs eum nōn vīdērunt.
Incorrect: the indicative vīdērunt cannot form the intended purpose clause, and ordinary negative purpose is introduced by nē.
✅ Explorātōr sē occultāvit nē hostēs eum vidērent.
The scout hid so that the enemy would not see him.
Classical authors can use ut nōn where nōn contrasts a particular word or phrase. It is nevertheless not the productive neutral pattern for undifferentiated negative purpose. In composition, use nē unless the context truly requires contrastive negation.
Tense comes after clause type
Once purpose or result is identified, apply sequence and aspect. A past controlling verb normally leads to an imperfect subjunctive for a simultaneous or prospective purpose: occultāvit nē vidērent. A present controlling verb normally gives the present: occultat nē videant.
Explorātōr nunc latet nē hostēs eum videant.
The scout is hiding now so that the enemy will not see him.
Explorātōr herī latuit nē hostēs eum vidērent.
The scout hid yesterday so that the enemy would not see him.
Result clauses follow sequence too, but they can reflect the actual time and aspect of the consequence more flexibly. Do not decide the clause type from its tense alone; Sequence of Tenses is applied only after the logical relation has been identified.
Real exceptions without losing the rule
Classical prose occasionally has ut nōn in a purpose-like context when nōn negates one constituent rather than the whole goal, especially in an explicit “not X but Y” contrast. Likewise, nē nōn is possible and means “lest not,” often amounting to a fear that something desired will fail to happen. These are not free variants.
Eum monuit nē nōn adesset.
He warned him not to fail to be present.
Here the outer nē marks the warning's preventive content, while nōn negates adesse. The two negatives do not cancel mechanically; they operate at different structural levels. (Poetic) compression may obscure a marker, and later or (ecclesiastical) usage may broaden distributions, but those developments do not change the default Classical production rule.
Decision drill
1. Māter puerum vocat _ sōlus abeāt. She is trying to prevent departure. Answer: nē. Use nē sōlus abeāt.
2. Puer tam timidus est sōlus abeāt. Timidity produces non-departure. Answer: ut ... nōn. Use ut sōlus nōn abeāt.
3. “They whispered so that no one would hear.” Is it nē quis or ut nēmō? Answer: nē quis if whispering is the deliberate preventive action: susurrāvērunt nē quis audīret.
4. “The noise was so slight that no one heard.” Answer: ut nēmō because the degree produces an actual negative result: sonitus tam tenuis erat ut nēmō audīret.
The best prevention strategy is to annotate the relation before composing. Write P beside an agent's intended prevention and R beside an observed negative consequence. Under P, build nē plus a subjunctive and convert “no one/anything” to quis/quid. Under R, retain ut and place nōn with the verb or keep the asserted negative form nēmō/nihil. This takes seconds and prevents an English “so that not” from deciding the Latin structure prematurely.
The same annotation helps while reading. If nē quis follows a verb of hiding, warning, or sending, test purpose first. If ut nēmō follows tam, tantus, or adeō, test result first. Then confirm the interpretation against the whole passage rather than treating either clue as infallible.
Common Mistakes
1. Translating English “not” before diagnosing intention
❌ Nauta fūnem tenuit nē fūnis excidit.
Incorrect: the indicative excidit cannot stand in this negative purpose clause.
✅ Nauta fūnem tenuit nē fūnis excideret.
The sailor held the rope so that it would not fall.
2. Treating tam as compatible with automatic nē
❌ Tam dēfessus erat nē prōgredī posset.
Incorrect for a negative result: tam sets up a consequence, not a goal.
✅ Tam dēfessus erat ut prōgredī nōn posset.
He was so exhausted that he could not continue.
3. Retaining nēmō after nē
❌ Clāvēs condidit nē nēmō eās invenīret.
Incorrect for ‘so that no one would find them’: the purpose indefinite must be quis.
✅ Clāvēs condidit nē quis eās invenīret.
She hid the keys so that no one would find them.
4. Treating purpose as proof of success
❌ Fūgit nē caperētur; ergō captus nōn est.
Incorrect inference: a purpose clause states his aim, not whether he escaped capture.
✅ Fūgit nē caperētur, sed tamen captus est.
He fled so that he would not be captured, but he was captured nevertheless.
Key Takeaways
Negative purpose presents intended prevention and normally uses nē, with forms such as nē quis and nē quid. Negative result presents a consequence and normally uses ut nōn, ut nēmō, or ut nihil. Determine agency, degree, and logical force first; only then choose the conjunction, indefinite, and subjunctive tense.
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Start learning Latin →Related Topics
- Negative Purpose Clauses with NeB1 — Express an intended prevention with nē plus the subjunctive, and distinguish that purpose from fear, command, and result clauses.
- Result Clauses with Ut and Ut NonB1 — Recognize actual or represented consequences introduced by ut, negate them with ut nōn, and distinguish them from purpose clauses.
- Purpose versus Result ClausesB1 — Distinguish intended goals from actual consequences when Latin uses ut plus the subjunctive for both.
- Forgetting Sequence of TensesB2 — Anchor dependent subjunctives to a primary or secondary controlling verb without confusing relative time with English tense matching.