Definition:
The Italian subjunctive (congiuntivo) is a verbal mood — a grammatical category that encodes the speaker’s relationship to the truth value of a proposition. In Italian, the congiuntivo is used in subordinate clauses triggered by main clause expressions of doubt, uncertainty, emotion, volition, opinion, or hypothetical condition. Unlike English, which retains only vestigial traces of the subjunctive (“If I were you…”), Italian congiuntivo is a fully productive and obligatory mood in precise grammatical environments. It carries four tenses: present (congiuntivo presente), past (congiuntivo passato), imperfect (congiuntivo imperfetto), and pluperfect (congiuntivo trapassato). Mastery of the subjunctive is considered a hallmark of advanced Italian grammar competence.
Core Triggering Environments
The subjunctive is used in che-clauses when the main clause contains:
| Category | Example main clause trigger |
|---|---|
| Volition | voglio che… (I want that…) |
| Emotion | sono felice che… (I’m happy that…) |
| Doubt/opinion | penso che… (I think that…), credo che… |
| Impersonal expressions | è necessario che…, è bene che… |
| Fear | ho paura che… |
Contrast with indicative: When the subordinate subject = main subject, the di + infinitive construction replaces the subjunctive:
- Voglio che lui venga (I want him to come — subjunctive, different subjects)
- Voglio venire (I want to come — infinitive, same subject)
Present Subjunctive Endings
| Person | -are | -ere | -ire |
|---|---|---|---|
| io | -i | -a | -a |
| tu | -i | -a | -a |
| lui/lei | -i | -a | -a |
| noi | -iamo | -iamo | -iamo |
| voi | -iate | -iate | -iate |
| loro | -ino | -ano | -ano |
Note: io/tu/lui all share the same form — context determines person.
Congiuntivo Imperfetto Endings
| Person | -are | -ere | -ire |
|---|---|---|---|
| io | -assi | -essi | -issi |
| tu | -assi | -essi | -issi |
| lui/lei | -asse | -esse | -isse |
| noi | -assimo | -essimo | -issimo |
| voi | -aste | -este | -iste |
| loro | -assero | -essero | -issero |
Subjunctive in Conditional Clauses
Se + congiuntivo imperfetto + condizionale presente = counterfactual:
- Se avessi il tempo, viaggerei (If I had the time, I would travel)
Subjunctive in Relative Clauses
After superlatives and in indefinite relative clauses expressing unrealized or hypothetical referents:
- È il libro più interessante che io abbia mai letto (It’s the most interesting book I’ve ever read)
- Cerco qualcuno che parli italiano (I’m looking for someone who speaks Italian)
History
The Latin subjunctive and optative moods merged in late Latin and passed into Italian as the congiuntivo. Medieval Italian literary texts (Dante, Boccaccio) show full congiuntivo usage. The mood has been stable in the standard language; colloquial Italian increasingly substitutes indicative for present subjunctive in informal speech, particularly in Northern varieties.
Common Misconceptions
- “Use congiuntivo after any ‘che’” — indicative is used after che with verbs of certainty: so che viene (I know that he is coming) vs. penso che venga (I think he is coming)
- “The congiuntivo is dying” — in formal written Italian and Southern Italian speech it remains strong; the claim of its death is exaggerated
Criticisms
- The congiuntivo’s syntactic conditioning is intricate and context-sensitive; L2 acquisition research shows advanced learners still rely on individual lexical triggers rather than a unified semantic rule
Social Media Sentiment
The congiuntivo is routinely cited as the hardest aspect of Italian for English speakers; Italian learner communities treat subjunctive mastery as a major milestone marker. Last updated: 2026-04
Practical Application
- Start with a small set of high-frequency triggers: voglio che, penso che, è importante che, ho paura che
- Drill the distinction: same subject ? infinitive (di + inf.); different subject ? congiuntivo
Related Terms
See Also
Research
- Maiden, M., & Robustelli, C. (2007). A Reference Grammar of Modern Italian (2nd ed.). Routledge. — Full description of congiuntivo triggers, tense sequence, and paradigms.
- Berruto, G. (1987). Sociolinguistica dell’italiano contemporaneo. NIS. — Analysis of colloquial Italian departure from normative congiuntivo use.
- Celce-Murcia, M., & Larsen-Freeman, D. (1999). The Grammar Book (2nd ed.). Heinle. — Pedagogical framework for teaching subjunctive in L2 contexts, applicable to Italian.