Lesson 3: Mastering German Sentence Structure: Subordinate Clauses
Subordinate clauses, or Nebensätze, are one of the biggest steps from basic German to confident intermediate German. A subordinate clause cannot stand alone as a complete sentence. It depends on a main clause (Hauptsatz) and adds extra information such as a reason, a time, a condition, or a contrast. Once you understand how word order changes in these clauses, your German will sound much more natural and precise.
The most important rule is that the conjugated verb moves to the end of the subordinate clause. In a main clause, the verb takes the second position: Ich wohne in Berlin (I live in Berlin). In a subordinate clause, the same verb moves to the final position, after the subject and all other elements. Compare these two sentences: [[pronounce:Ich wohne in Berlin:de]] [[pronounce:Ich weiß, dass ich in Berlin wohne:de]] The second sentence uses dass (that), which introduces the subordinate clause. The conjugated verb wohne now stands at the very end of the clause, after in Berlin.
A subordinating conjunction introduces the subordinate clause and is always followed by a comma that separates it from the main clause. Some of the most common conjunctions at B1 level are listed below:
Vocabulary block: Subordinating conjunctions
The grammar of verb placement is best seen in a comparison table. The table below shows how the same main verb behaves in a main clause and in a subordinate clause:
| Clause type | Structure | Example |
|---|---|---|
| Main clause | Subject + verb + rest | Ich lerne Deutsch. |
| Subordinate clause with weil | Conjunction + subject + rest + verb | Ich lerne Deutsch, weil ich in Wien arbeiten möchte. |
| Subordinate clause with dass | Conjunction + subject + rest + verb | Ich glaube, dass Deutsch nicht schwer ist. |
Notice that the verb is always the last element of the subordinate clause, even when it is a short word.
Separable verbs require special attention. In a subordinate clause, the prefix does not separate from the verb. It stays attached and returns to the end of the clause. In a main clause, you would say Er steht um sechs Uhr auf (He gets up at six o'clock). In a subordinate clause, it becomes: [[pronounce:Ich weiß, dass er um sechs Uhr aufsteht:de]] The verb aufstehen is reunited as aufsteht at the end. This is a very common pattern in spoken and written German.
Modal verbs and auxiliary verbs also move to the end, but they follow a special rule. The infinitive comes last, and the conjugated modal verb comes immediately before it. This creates a cluster at the end of the clause: [[pronounce:Ich weiß, dass sie gut Deutsch sprechen kann:de]] Here the modal verb kann appears after the infinitive sprechen, but the conjugated form is placed at the very end of the cluster in standard subordinate clauses, so the order is sprechen kann. Practise this pattern with können, müssen, wollen, and sollen until it feels automatic.
The perfect tense follows a similar logic. The auxiliary verb haben or sein goes to the end, after the past participle. For example: [[pronounce:Er sagt, dass er das Buch gelesen hat:de]] [[pronounce:Sie weiß, dass er nach Hause gegangen ist:de]] Remember that the auxiliary is the last word of the clause. This is an easy way to recognise a subordinate clause in a reading text.
Consider the difference between weil and denn. Both mean "because," but denn is a coordinating conjunction and does not change word order. It is used in the same way as und or aber: [[pronounce:Ich bleibe zu Hause, denn ich bin krank:de]] By contrast, weil changes the word order: [[pronounce:Ich bleibe zu Hause, weil ich krank bin:de]] Both sentences are correct, but choosing between them shows that you understand sentence structure rather than just vocabulary.
Subordinate clauses can also appear before the main clause. In this case the main clause begins with its verb, so the verb is in position one and the subject follows it. This is the inversion pattern. Look at this example: [[pronounce:Wenn es regnet, bleiben wir zu Hause:de]] The subordinate clause Wenn es regnet comes first, and the main clause verb bleiben takes the first position in the main clause, which is the second overall position in the whole sentence. This structure is very common in conditional sentences and time expressions.
Dialogue: A conversation about plans Anna: Kommst du morgen zur Party? [[pronounce:Kommst du morgen zur Party:de]] Ben: Ich weiß noch nicht, ob ich kommen kann, weil ich viel lernen muss. [[pronounce:Ich weiß noch nicht, ob ich kommen kann, weil ich viel lernen muss:de]] Anna: Obwohl du viel zu tun hast, solltest du kommen. Es wird lustig, nachdem wir alle gegessen haben. [[pronounce:Obwohl du viel zu tun hast, solltest du kommen:de]] Ben: Gut, wenn ich fertig bin, rufe ich dich an. Notice that every subordinate clause in this dialogue sends its conjugated verb to the end.
Cultural usage note: In everyday spoken German, many native speakers avoid long subordinate clauses and prefer main clauses joined by denn or und. Written German, especially in academic texts, newspapers, and formal letters, uses subordinate clauses much more frequently. In an interview or a job application, using obwohl, nachdem, and dass correctly signals a high level of education. However, in casual conversation with friends, a native speaker might say Ich komme nicht, weil ich müde bin quite naturally, and nobody would be surprised by it. The key is to know your register: use complex structures when you write formally or want to sound precise, and simpler structures in relaxed chats.
A common mistake among learners is to forget the verb at the end, leaving it in second position as in a main clause. An example of this error is Ich weiß, dass er wohnt in Berlin, which should be corrected to Ich weiß, dass er in Berlin wohnt. Another frequent error is forgetting the comma before the subordinate clause. In German, the comma is mandatory, not optional. Practise by taking simple main-clause sentences you already know and rewriting them with weil, dass, or obwohl. Check each result by reading it aloud and asking yourself whether the conjugated verb is at the end.
Here is a summary of the key rules. First, use a comma before every subordinate clause. Second, place the conjugated verb at the end of the clause. Third, keep separable prefixes attached in subordinate clauses. Fourth, place the auxiliary or modal verb at the end, with the infinitive or past participle immediately before it. Fifth, remember that a subordinate clause can come before the main clause, which triggers inversion in the main clause. With regular practice, these rules will become an automatic part of how you build German sentences, and your writing and speaking will become noticeably more fluent and sophisticated.
Регистрирайте се, за да отговаряте на тези въпроси интерактивно и да получите оценка за теста.