You have already met the pieces one by one — the present subjunctive back in Lesson 2, the imperfect subjunctive in Lessons 11 and 13, and reported speech in Lesson 14. Now we tie them together into a single, reliable rule: the tense of the main clause decides the tense of the clause that follows it. Get this "handshake" between clauses right and your longer sentences will hold together the way a native speaker's do.
Whenever a verb of wanting, doubting, feeling, or requesting sends a subjunctive into the que-clause, Spanish keeps the two verbs in the same "time zone." The choice is essentially binary. If the main verb points at the present or the future, you use the present subjunctive. If the main verb sits in the past, you shift the subordinate verb back to the imperfect subjunctive.
Notice how the meaning of the subordinate clause barely changes — only its tense moves to agree with the main verb:
Here is the mapping to memorise. The left column is the tense of the main clause; the right column is what the subjunctive in the que-clause must be.
| Main-clause tense | Subordinate subjunctive | Example |
|---|---|---|
| present, future, command, present perfect | PRESENT subjunctive |
Quiero que vengas. Le diré que venga. Dile que venga. Le he pedido que venga. |
| preterite, imperfect, conditional, pluperfect | IMPERFECT subjunctive |
Le dije que viniera. Quería que vinieras. Me gustaría que vinieras. Le había pedido que viniera. |
A special word about the conditional: even though me gustaría ("I would like") and sería mejor ("it would be better") describe hopes about the present or future, they behave like past tenses for this rule and pull the imperfect subjunctive: Me gustaría que estudiaras más. — I'd like you to study more. This is one of the most useful patterns in polite Spanish, so it is worth over-learning.
Remember, too, that the imperfect subjunctive has two interchangeable forms — the -ra form and the -se form. Vinieras and vinieses are equally correct; the -ra form is more common in speech, while the -se form has a slightly more formal, literary feel.
The concordancia is not only a subjunctive phenomenon. When you report what someone said and the reporting verb is in the past (dijo, comentó, explicó), the indicative tenses shift back by exactly the same logic you saw in Lesson 14. Present becomes imperfect, future becomes conditional, and the perfect tenses become pluperfect.
| Direct speech (present-time report) | Reported in the past |
|---|---|
| Dice que viene. (He says he's coming.) | Dijo que venía. (He said he was coming.) |
| Dice que vendrá. (He says he'll come.) | Dijo que vendría. (He said he would come.) |
| Dice que ha venido. (He says he has come.) | Dijo que había venido. (He said he had come.) |
So the underlying instinct is the same whether the clause is indicative or subjunctive: a past main verb drags the following verb into the past with it. Once you feel that pull, both reported speech and subjunctive sequencing come out automatically.
You already used this pairing in Lesson 13 without necessarily naming it. The classic unreal conditional is simply the sequence-of-tenses rule wearing a different hat: the si-clause takes the imperfect subjunctive and the result clause takes the conditional.
Si tuviera dinero, viajaría por el mundo. — If I had money, I would travel the world.
The two halves lock together: an imperfect-subjunctive "if" naturally answers to a conditional "then." You would never mix a present subjunctive into this frame (there is no *Si tenga dinero…), for the same reason a past main clause never takes a present subjunctive — the tenses have to agree.
The single most frequent error at this level is bolting a present subjunctive onto a past main clause. English speakers do it because English hides the shift ("I wanted you to come" looks tenseless in the second half). In Spanish the mismatch is audible and wrong:
| Incorrect | Correct |
|---|---|
| Quería que | Quería que vinieras. |
| Me dijo que | Me dijo que llegara temprano. |
| Era importante que | Era importante que estudiaras. |
The fix is a habit: before you choose the subjunctive form, glance back at the main verb. Past main verb? Then the subjunctive must be imperfect. Present or future main verb? Then it stays present. That one-second check eliminates the mistake for good.
Put the verb in parentheses into the correctly-sequenced subjunctive — present after a present/future/impersonal-present main verb, imperfect after a past or conditional one.
The reporting verb is in the past (dijo). Shift the indicative verb back one step to complete each report.
Sequence of tenses is less a new grammar point than the moment your earlier lessons start working as a team. Keep the reflex simple — look at the main verb, then match — and the subjunctives, conditionals and reported clauses you have been building will finally click into place as one smooth, natural Spanish sentence. ¡Bien hecho!