# Para que + subjunctive: so that

> id: grammar.clauses.purpose-para-que · category: grammar · depth: standard · levels: B1 · review: internally_reviewed

**Summary.** Purpose with a different subject takes para que + subjunctive: te lo explico para que entiendas. Same subject: para + infinitive (estudio para aprender).

To express purpose — 'so that / in order to' — the structure depends on whether the two clauses share a subject. Same subject: para + infinitive (estudio para aprender, vine para ayudar). Different subjects: para que + subjunctive (te lo explico para que entiendas, vine para que me ayudes).

The rule is mechanical and reliable: one subject → infinitive; two subjects → subjunctive. Because purpose points at something not yet realized, the two-subject pattern is always subjunctive, never indicative.

A family of connectors works the same way: a fin de que, con tal de que ('provided that'), sin que ('without'), antes de que ('before') — all take the subjunctive with a subject change, and the bare infinitive with none (salí sin avisar vs salí sin que nadie me viera).

## Examples
- Lo anoté para que no se me olvide. — I wrote it down so I don't forget.
- Salí sin que nadie me viera. — I left without anyone seeing me.
- Te dejo las llaves para que puedas entrar. — I'll leave you the keys so you can get in.

Related: grammar.prepositions.para-uses, grammar.subjunctive.overview

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