Latin uses tam … quam to match degrees—“as … as”—and sīc … ut to match manners—“in such a way … as” or “just as.” Lūcia tam celeriter currit quam frāter compares how quickly two people run; sīc scrībe ut loqueris tells someone to write in the way they speak. These pairs organize two constituents or clauses, and their interpretation depends on what each member modifies.
The difficult point is that ut also introduces result clauses. Comparative sīc … ut normally compares an actual manner and can take the indicative; resultative sīc … ut presents a consequence and takes the subjunctive. Form, mood, and discourse must be read together.
Tam…quam Matches Degree
Tam marks a degree in the first member; quam introduces the matching standard. The pair most often modifies adjectives or adverbs.
Lūcia tam celeriter currit quam frāter.
Lucia runs as quickly as her brother.
Adverb celeriter describes currit. The quam phrase is elliptical for quam frāter currit. Nominative frāter is therefore the subject of the understood second verb; quam is not a preposition that automatically governs one case.
Haec via tam longa est quam illa.
This road is as long as that one.
Feminine nominative illa stands for illa via and is the subject of understood est. Predicate adjective longa agrees with haec via, not with a noun supposedly governed by quam.
Senātor tam prūdenter quam fortiter respondit.
The senator answered as wisely as bravely.
Here the two members compare qualities of one response rather than two people. Tam scopes over prūdenter, and quam introduces parallel fortiter.
| What is matched? | Preferred correlatives | Example pattern |
|---|---|---|
| degree of adjective/adverb | tam … quam | tam clārus quam, as famous as |
| size or amount expressed adjectivally | tantus … quantus | tanta vīs quanta, as great a force as |
| number | tot … quot | tot librī quot, as many books as |
| manner | sīc/ita … ut | sīc fac ut, do it as |
Case after Quam Comes from the Omitted Structure
Because Latin can omit repeated words, the case after quam often reveals the understood clause.
Iūlia Mārcum tam saepe salūtat quam Lūciam.
Julia greets Marcus as often as she greets Lucia.
Both Mārcum and Lūciam are objects of understood salūtat, so both are accusative. Compare:
Iūlia tam saepe Mārcum salūtat quam Lūcia.
Julia greets Marcus as often as Lucia does.
Now nominative Lūcia is subject of understood Mārcum salūtat. Word order alone does not identify the comparison. Case shows whether the sentence compares the people greeted or the people doing the greeting.
English speakers often treat “than/as” as though it erased clause structure. Latin does not. Reconstruct the omitted predicate, assign each noun its role there, and then choose its case.
Tam…quam Can Coordinate Equal Claims
In (formal) and especially (literary) prose, tam … quam can emphasize that two descriptions or propositions are equally valid, close to English “as much … as” or “both … and.”
Haec sententia tam ūtilis quam vēra est.
This view is as useful as it is true.
The sentence compares degrees but pragmatically affirms both qualities. With noun phrases, the construction can approach coordination:
Tam magistrī quam discipulī novam bibliothēcam laudāvērunt.
Teachers and students alike praised the new library.
This rhetorical “both … and” use is licensed Classical and later (formal) Latin. For plain coordination, et … et is often less marked. Do not infer that tam is generally an adjective meaning “both”; it remains an adverb organizing equal applicability.
A source-text example shows temporal degree. Seneca writes, reproduced without added macrons:
Tamdiu discendum est, quamdiu nescias.
One must keep learning as long as one remains ignorant. — Seneca, Epistulae morales 76.3
Tamdiū … quamdiū matches duration. Gerundive discendum est is impersonal necessity. The quotation's unmacronized spelling is preserved; in teaching prose the headwords carry the pedagogical quantities shown here.
Sic…ut Matches Manner
Adverb sīc means “thus, in this way.” Comparative ut means “as, in the way that.” The ut clause states a model or actual manner.
Sīc scrībe ut loqueris.
Write in the way you speak.
Present indicative loqueris states how the addressee actually speaks. The imperative scrībe directs the writing to match that manner.
Agricola omnia sīc fēcit ut pater docuerat.
The farmer did everything just as his father had taught him.
Pluperfect indicative docuerat describes a real prior model. Sīc points forward to the comparative ut clause.
The model clause can come first. Latin frequently uses ut … ita/sīc, “as … so.”
Ut nauta tempestātem timet, sīc agricola siccitātem.
As a sailor fears a storm, so a farmer fears drought.
The finite verb timet is understood again after agricola. Accusative siccitātem is its object. Parallel case relations, not mere adjacency, reveal the ellipsis.
Cicero preserves the proverb Ut sementem feceris, ita metes, “As you sow, so shall you reap” (Dē ōrātōre 2.261). The source wording is cited without added macrons. The pair is ut … ita, but the syntax is the same correlational manner pattern. Sīc and ita overlap strongly; ita is especially common as the answering demonstrative in balanced comparisons.
Comparative Ut versus Result Ut
Now compare a true result clause:
Ōrātor sīc clāmāvit ut omnēs eum audīrent.
The speaker shouted so loudly that everyone heard him.
Imperfect subjunctive audīrent presents the consequence of the manner or intensity of shouting. Here sīc is a result signal: “in such a way that.” The clause does not provide a model that the speaker copied.
Ōrātor sīc clāmāvit ut aliī clāmant.
The speaker shouted in the way other people shout.
Indicative clāmant presents an actual comparative manner: “as others shout.” This minimal contrast is structurally important.
| Reading | Diagnostic | Typical mood | English |
|---|---|---|---|
| comparative manner | the ut clause supplies a model | indicative when asserted as fact | as, in the way that |
| result | the ut clause supplies a consequence | subjunctive | so … that |
| purpose | the ut clause supplies an intended goal | subjunctive | so that, in order that |
Purpose is possible when agency and intention support it: sīc sedēbat ut ianuam vidēret can mean “he sat in such a position so that he could see the door.” Context must distinguish intended purpose from actual result. The dedicated Purpose versus Result Clauses page gives fuller diagnostics.
Negation and Scope
In a comparative clause, ordinary factual negation is nōn: sīc nōn scrībit ut magister, “he does not write as the teacher does.” A negative result uses ut nōn, while a negative purpose uses nē. The presence of sīc does not cancel those broader clause rules.
Some degree phrases can support the specialized sequence quam ut before a consecutive clause, but that is not the basic tam … quam equality pattern. For clear learner composition, separate equal comparison from result: discipulus tam lentē legēbat ut omnia intellegeret, “the student read so slowly that he understood everything.”
Discipulus tam lentē legēbat ut omnia intellegeret.
The student read so slowly that he understood everything.
Here tam can itself serve as a result signal with ut plus subjunctive. This demonstrates an essential fact: correlatives are not inseparable tokens. Their function depends on which partner and clause type actually follows.
A Parsing Procedure
- Identify what tam or sīc modifies: degree, duration, or manner.
- Locate quam or ut and determine how much material falls within its constituent or clause.
- Reconstruct any omitted verb and assign local cases before translating.
- With ut, decide whether the clause is a model, consequence, or goal.
- Use mood as evidence, while remembering that wider syntax can also license a subjunctive.
- Preserve the discourse contrast: equality of degree is not the same as similarity of manner.
This constituent-first method prevents the classic error of copying English order and then guessing the Latin cases.
Common Mistakes
Treating quam as a preposition with a fixed case
❌ Lūcia tam dīligēns est quam Mārcum.
Incorrect — Marcus is the subject of understood est and must be nominative.
✅ Lūcia tam dīligēns est quam Mārcus.
Lucia is as diligent as Marcus.
Using tam where a noun needs an agreeing adjective
❌ Tam exercitus vēnit quam exspectābāmus.
Incorrect for ‘as large an army as’; tam cannot agree with or quantify exercitus that way.
✅ Tantus exercitus vēnit quantum exspectābāmus.
As large an army came as we expected.
Reading every sic…ut as comparison
❌ Sīc clāmāvit ut omnēs audīrent = ‘He shouted as everyone was hearing.’
Incorrect — subjunctive audīrent and the logic mark a result.
✅ Sīc clāmāvit ut omnēs audīrent.
He shouted so loudly that everyone heard him.
Using a subjunctive for a straightforward factual model
❌ Sīc scrībe ut loquāris for ‘write as you actually speak,’ with no intended modal nuance.
Misleading — the factual comparison is stated with indicative loqueris.
✅ Sīc scrībe ut loqueris.
Write as you speak.
Trusting position instead of scope
❌ Mārcia Paulum tam saepe salūtat quam Cornēliam.
Incorrect for comparing the greeters — accusative Cornēliam makes Cornelia another person greeted.
✅ Mārcia Paulum tam saepe salūtat quam Cornēlia.
Marcia greets Paul as often as Cornelia does.
Key Takeaways
- Tam … quam correlates equal degree, most commonly with adjectives and adverbs.
- Case after quam comes from each noun's role in an expressed or understood clause.
- Sīc/ita … ut can compare manners, often with factual indicative ut.
- Sīc … ut with a subjunctive may instead introduce result or purpose; identify model, consequence, or goal.
- Latin word order can separate or reverse correlative members, so parse heads, scope, and dependencies before translating.
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Start learning Latin →Related Topics
- Quo…eo and Quanto…tantoB1 — How Latin correlates two changing degrees to express ‘the more…, the more…’ with comparative forms.
- Correlatives: Talis, Qualis, Tantus, QuantusB2 — Use tālis/quālis for kind and tantus/quantus for size or degree in questions, comparisons, and correlative pairs.
- Correlatives: Tot, Quot, Tam, QuamB2 — Use indeclinable tot/quot for number and adverbial tam/quam for degree, comparison, questions, and correlative pairs.
- 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.
- Result-Clause Signal WordsB1 — Use Latin degree, quantity, quality, and manner words to recognize and build result clauses.