Navigating the Italian Subjunctive
Master the Italian congiuntivo: when to use it, how to conjugate all four tenses, and how to handle the trickiest irregular forms.
If there is one topic that makes intermediate Italian learners pause, it is the congiuntivo — the subjunctive mood. Italian uses it constantly: in opinion clauses, wishes, doubts, hypotheticals, and after a long list of conjunctions. The good news is that the logic behind it is consistent, and once you recognise the patterns, reading and using it becomes much more natural.
What the Subjunctive Actually Does
The indicative mood states facts. The subjunctive expresses subjectivity — opinions, doubts, emotions, wishes, and uncertainty. Compare: So che Marco è stanco. (I know Marco is tired — stated as fact, indicative.) vs. Penso che Marco sia stanco. (I think Marco is tired — my opinion, subjunctive.) The switch from è to sia signals that the speaker is not asserting a fact but expressing a personal view.
The subjunctive almost always appears in a subordinate clause introduced by che (that). The main clause contains the trigger verb or expression; the subjunctive follows in the che clause.
The Same-Subject Rule
The subjunctive construction with che is only used when the subject of the main clause and the subject of the dependent clause are different. When the subject is the same, Italian uses the infinitive instead:
Voglio che tu venga. (different subjects: io → tu)
I want you to come.
Two different subjects → che + subjunctive.
Voglio venire. (same subject: io → io)
I want to come.
Same subject → infinitive, no che.
What Triggers the Subjunctive
Certain verbs and expressions automatically call for the subjunctive in a following che clause. They fall into clear categories:
| Category | Examples |
|---|---|
| Opinion / belief | pensare, credere, ritenere, supporre, immaginare |
| Wish / desire / will | volere, desiderare, preferire, sperare, augurarsi |
| Doubt / uncertainty | dubitare, non essere sicuro, non sapere se |
| Emotion / fear | essere felice, dispiacere, temere, aver paura, sorprendere |
| Impersonal expressions | è importante, è necessario, è possibile, è strano, bisogna |
Credo che abbiano ragione.
I believe they are right.
È importante che tu studi ogni giorno.
It is important that you study every day.
Temo che non venga.
I'm afraid he won't come.
Conjunctions That Always Require the Subjunctive
A set of subordinating conjunctions always triggers the subjunctive, regardless of tense. Learning this list is one of the most efficient investments at B2 level:
- benché / sebbene / nonostante / malgrado — although, even though: Benché sia stanco, lavora. (Although he is tired, he works.)
- affinché / perché (purpose, not cause) — so that, in order that: Te lo dico affinché tu sappia. (I'm telling you so that you know.)
- prima che — before: Usciamo prima che piova. (Let's leave before it rains.)
- a meno che (non) — unless: Vengo, a meno che non piova. (I'll come, unless it rains.)
- purché / a condizione che / a patto che — provided that, as long as: Lo faccio purché tu mi aiuti. (I'll do it provided you help me.)
- senza che — without: È partito senza che io lo sapessi. (He left without me knowing.)
A shortcut for remembering which conjunctions trigger the subjunctive: most of them express a condition, concession, purpose, or timing that introduces an element of uncertainty or subjectivity into the sentence.
The Four Subjunctive Tenses
Italian has four subjunctive tenses. Which one you use depends on the tense of the main clause and the time relationship between the two actions. This system is called the concordanza dei tempi (sequence of tenses), and it is covered after the conjugation tables.
Congiuntivo Presente
The present subjunctive is used when the main clause is in the present or future tense, and the subordinate action is simultaneous or future relative to it. Notice that the singular forms (io, tu, lui/lei) are identical — context or an explicit pronoun disambiguates them.
| Person | Parlare (−are) | Credere (−ere) | Dormire (−ire) |
|---|---|---|---|
| io | parli | creda | dorma |
| tu | parli | creda | dorma |
| lui/lei | parli | creda | dorma |
| noi | parliamo | crediamo | dormiamo |
| voi | parliate | crediate | dormiate |
| loro | parlino | credano | dormano |
The noi form is identical to the indicative present for all three conjugation groups. The voi form adds -iate / -iate / -iate. The loro form ends in -ino (−are) or -ano (−ere/−ire).
Key Irregular Present Subjunctive Forms
The most frequently encountered irregulars in the congiuntivo presente. Each follows a single root throughout the singular and third-person plural, reverting to the indicative for noi and voi:
| Verb | io / tu / lui | noi | voi | loro |
|---|---|---|---|---|
| essere | sia | siamo | siate | siano |
| avere | abbia | abbiamo | abbiate | abbiano |
| andare | vada | andiamo | andiate | vadano |
| fare | faccia | facciamo | facciate | facciano |
| dire | dica | diciamo | diciate | dicano |
| sapere | sappia | sappiamo | sappiate | sappiano |
| potere | possa | possiamo | possiate | possano |
| volere | voglia | vogliamo | vogliate | vogliano |
| venire | venga | veniamo | veniate | vengano |
| dare | dia | diamo | diate | diano |
| stare | stia | stiamo | stiate | stiano |
| uscire | esca | usciamo | usciate | escano |
Congiuntivo Passato
The past subjunctive is a compound tense: congiuntivo presente of avere or essere + past participle. It is used when the main clause is in the present or future, but the subordinate action happened before the main clause action.
| Person | Parlare (with avere) | Andare (with essere) |
|---|---|---|
| io | abbia parlato | sia andato/a |
| tu | abbia parlato | sia andato/a |
| lui/lei | abbia parlato | sia andato/a |
| noi | abbiamo parlato | siamo andati/e |
| voi | abbiate parlato | siate andati/e |
| loro | abbiano parlato | siano andati/e |
Credo che siano già partiti.
I believe they have already left.
Main clause present (credo) + subordinate action already completed → congiuntivo passato.
Congiuntivo Imperfetto
The imperfect subjunctive is used when the main clause is in a past tense or in the conditional, and the subordinate action is simultaneous or future relative to it. It is also the tense used in hypothetical sentences with se (if).
| Person | Parlare (−are) | Credere (−ere) | Dormire (−ire) |
|---|---|---|---|
| io | parlassi | credessi | dormissi |
| tu | parlassi | credessi | dormissi |
| lui/lei | parlasse | credesse | dormisse |
| noi | parlassimo | credessimo | dormissimo |
| voi | parlaste | credeste | dormiste |
| loro | parlassero | credessero | dormissero |
Several common verbs are irregular in the imperfect subjunctive. Their stems draw on an older infinitive form:
| Verb | io / tu | lui/lei | noi | voi | loro |
|---|---|---|---|---|---|
| essere | fossi | fosse | fossimo | foste | fossero |
| avere | avessi | avesse | avessimo | aveste | avessero |
| dare | dessi | desse | dessimo | deste | dessero |
| fare | facessi | facesse | facessimo | faceste | facessero |
| stare | stessi | stesse | stessimo | steste | stessero |
| dire | dicessi | dicesse | dicessimo | diceste | dicessero |
| bere | bevessi | bevesse | bevessimo | beveste | bevessero |
Credevo che fosse a casa.
I thought he was at home.
Main clause past (credevo) + simultaneous subordinate action → congiuntivo imperfetto.
Vorrei che tu venissi con me.
I would like you to come with me.
Main clause conditional (vorrei) + subordinate action → congiuntivo imperfetto.
Congiuntivo Trapassato
The pluperfect subjunctive is a compound tense: congiuntivo imperfetto of avere or essere + past participle. It is used when the main clause is in a past tense or conditional, and the subordinate action happened before the main clause action.
| Person | Parlare (with avere) | Andare (with essere) |
|---|---|---|
| io | avessi parlato | fossi andato/a |
| tu | avessi parlato | fossi andato/a |
| lui/lei | avesse parlato | fosse andato/a |
| noi | avessimo parlato | fossimo andati/e |
| voi | aveste parlato | foste andati/e |
| loro | avessero parlato | fossero andati/e |
Non sapevo che fosse già partita.
I didn't know she had already left.
Main clause past (non sapevo) + subordinate action already completed → congiuntivo trapassato.
Sequence of Tenses: Concordanza dei Tempi
Choosing the right subjunctive tense is a question of combining two variables: the tense of the main verb, and whether the subordinate action is simultaneous/future (same time or after) or anterior (already happened). Here is the complete picture:
| Main clause tense | Subordinate action simultaneous / future | Subordinate action already happened |
|---|---|---|
| Present / Future indicative | Congiuntivo presente | Congiuntivo passato |
| Past tense / Conditional | Congiuntivo imperfetto | Congiuntivo trapassato |
Penso che venga domani.
I think he is coming tomorrow.
Present main + future subordinate → congiuntivo presente.
Penso che sia già venuto.
I think he already came.
Present main + past subordinate → congiuntivo passato.
Pensavo che venisse il giorno dopo.
I thought he was coming the following day.
Past main + simultaneous subordinate → congiuntivo imperfetto.
Pensavo che fosse già venuto.
I thought he had already come.
Past main + already-completed subordinate → congiuntivo trapassato.
Hypothetical Sentences with Se
The se (if) construction follows its own pairing rules and does not use the congiuntivo presente or passato. Two patterns cover almost every hypothetical situation you will encounter at B2:
| Type | Se clause | Result clause | Example |
|---|---|---|---|
| Hypothetical (unreal present/future) | Congiuntivo imperfetto | Condizionale presente | Se avessi più tempo, studierei di più. |
| Counterfactual (unreal past) | Congiuntivo trapassato | Condizionale passato | Se avessi studiato, avrei superato l'esame. |
Never use the congiuntivo presente in a se clause. "Se sia stanco" is not Italian. For present/future hypotheticals, use the congiuntivo imperfetto: "Se fossi stanco, andrei a dormire."
Common Mistakes to Avoid
- Using the indicative after opinion verbs: "Penso che è stanco" is very common in informal speech, but in written and careful spoken Italian, use the subjunctive: "Penso che sia stanco."
- Wrong tense after a past main verb: "Credevo che sia stanco" mixes tenses incorrectly. A past main verb (credevo) requires the imperfect subjunctive: "Credevo che fosse stanco."
- Using che + subjunctive with the same subject: "Voglio che vada" when you mean "I want to go" should be "Voglio andare" (same subject → infinitive).
- Using the present subjunctive in se hypotheticals: "Se venga" is not correct Italian. The se clause takes the imperfect subjunctive for present hypotheticals: "Se venisse."
- Confusing benché and anche se: Benché always takes the subjunctive. Anche se (even if / even though) takes the indicative when stating a real concession: Anche se è tardi, esco.
The Subjunctive in Reading
Italian literature, journalism, and fiction are saturated with the subjunctive. Characters doubt, wish, fear, and speculate — all of which call for the congiuntivo. When you encounter a verb ending in -i (singular) or -ino / -ano (plural) after a verb of opinion or a concessive conjunction, you are looking at the present subjunctive at work. Recognising it on the page is the first step to using it confidently in speech.
On LingueLibrary, every verb form is clickable: tap any subjunctive form and you will see its full conjugation table, the tense it belongs to, and its infinitive. Reading Italian stories is one of the most effective ways to absorb the subjunctive naturally — seeing credesse, venisse, and avesse detto in real narrative contexts makes the patterns stick far faster than a textbook alone.
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