B1 Spanish GrammarComplex Sentence Structure
Master advanced Spanish connectors to create sophisticated sentences. Learn conjunctions like aunque, sin embargo, por lo tanto, a pesar de que, and en cuanto. Understand when these connectors require indicative or subjunctive mood for precise and nuanced communication.
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1Concessive Connectors (aunque, a pesar de)
Aunque (although/even though) takes indicative for facts and subjunctive for hypotheticals or unknowns. A pesar de que (despite the fact that) follows the same rule. Sin embargo and no obstante (however) introduce contrasting independent clauses and don't affect mood.
Aunque: Indicative vs Subjunctive
| Context | Mood | Example |
|---|---|---|
| Known fact | Indicative | Aunque llueve, salgo (It's raining, but I'm going out) |
| Hypothetical | Subjunctive | Aunque llueva, saldré (Even if it rains, I'll go out) |
| Future unknown | Subjunctive | Aunque venga, no lo veré (Even if he comes...) |
| Contrast | Indicative | Aunque es difícil, lo hago (Though it's hard, I do it) |
Examples
Aunque está lloviendo, vamos al parque.
Although it's raining, we're going to the park.
indicative - we know it's raining
Aunque no te guste, tienes que hacerlo.
Even if you don't like it, you have to do it.
subjunctive - uncertain/hypothetical
A pesar de que trabajó mucho, no lo consiguió.
Despite working hard, he didn't achieve it.
indicative - known fact
Es caro; sin embargo, lo compré.
It's expensive; however, I bought it.
sin embargo introduces contrast
2Temporal Connectors
Temporal connectors link events in time. Cuando, mientras, tan pronto como, en cuanto, hasta que take indicative for past/present facts and subjunctive for future events. Después de que usually takes subjunctive. Antes de que always requires subjunctive.
Temporal Connectors and Mood
| Connector | Past/Present | Future |
|---|---|---|
| cuando | indicative | subjunctive |
| en cuanto | indicative | subjunctive |
| hasta que | indicative | subjunctive |
| antes de que | always subjunctive | always subjunctive |
| después de que | subjunctive (usually) | subjunctive |
Examples
Te llamaré en cuanto llegue.
I'll call you as soon as I arrive.
future → subjunctive
Cuando era niño, jugaba mucho.
When I was a child, I played a lot.
past → indicative
Espera hasta que termine.
Wait until I finish.
future → subjunctive
Antes de que te vayas, dime algo.
Before you leave, tell me something.
antes de que always + subjunctive
3Cause and Result Connectors
Causal connectors explain why: porque, ya que, puesto que, como (at start of sentence), debido a que. Result connectors show consequences: por eso, por lo tanto, así que, de modo que, de manera que. These generally use indicative since they deal with facts.
Cause and Result Connectors
| Type | Connector | Example |
|---|---|---|
| Cause | porque | Lo hice porque quería |
| Cause | ya que / puesto que | Ya que estás aquí, ayúdame |
| Cause (sentence start) | como | Como no vino, me fui |
| Result | por eso / por lo tanto | Estaba enfermo, por eso no vino |
| Result | así que | Llovía, así que me quedé en casa |
Examples
Como no tenía dinero, no pude comprarlo.
Since I didn't have money, I couldn't buy it.
como for cause at sentence start
Estudió mucho, así que aprobó.
She studied a lot, so she passed.
así que shows result
Estaba cansado, por lo tanto me acosté temprano.
I was tired, therefore I went to bed early.
por lo tanto - formal result
Ya que insistes, te lo diré.
Since you insist, I'll tell you.
ya que = since/given that
4Conditional and Purpose Connectors
Conditional: si (if), a menos que (unless), con tal de que (provided that), siempre que (as long as). Purpose: para que, a fin de que (so that/in order that). A menos que, con tal de que, para que, and a fin de que always require subjunctive.
Conditional and Purpose Connectors
| Type | Connector | Mood |
|---|---|---|
| Condition | si | indicative (not subjunctive) |
| Condition | a menos que | always subjunctive |
| Condition | con tal de que | always subjunctive |
| Purpose | para que | always subjunctive |
| Purpose | a fin de que | always subjunctive |
Examples
Iré a menos que llueva.
I'll go unless it rains.
a menos que + subjunctive
Te presto el coche con tal de que lo cuides.
I'll lend you the car provided you take care of it.
con tal de que + subjunctive
Hablo despacio para que me entiendas.
I speak slowly so that you understand me.
para que + subjunctive
Siempre que estudies, aprobarás.
As long as you study, you'll pass.
siempre que + subjunctive (condition)
Practice Exercises
5 exercises
Complete: 'Aunque ___ cansado, seguiré trabajando.' (Although I am tired, I will keep working.)
Complete: 'Te llamaré cuando ___.' (I'll call you when I arrive.)
Which connector means 'as long as / provided that'?
Complete: 'Lo hago para que tú ___.' (I do it so that you can rest.)
Which connector introduces a consequence/result?
See Real Examples in Stories
Now that you've practiced, see this grammar in context

“Maya asintió y probó todo, aunque algunos sabores la sorprendieron.”

“Emma estaba emocionada porque esto combinaba su amor por el aprendizaje con la tecnología.”

“David consideró sus opciones cuidadosamente mientras el señor Thompson esperaba pacientemente.”

“Sarah jadeó cuando vio lo que había adentro.”
Practice with B1 Stories
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