Can you provide complex sentences examples with subordinating conjunctions?

Here are some examples of complex sentences with subordinating conjunctions:

1. Although she was tired, she decided to go for a run.
2. Since it was raining, we stayed indoors and watched a movie.
3. While he studied for his exam, his friends went out to eat.
4. Because she had practiced diligently, she performed flawlessly on stage.
5. Even though he had never been to the beach before, he quickly learned how to surf.