5 complex sentence with main chlose first and no comma?

Here are 5 complex sentences with the main clause first and no comma:

1. The sun set quickly, casting long shadows across the field.

2. The old woman smiled warmly, her eyes crinkling at the corners.

3. The train sped along the tracks, leaving a trail of smoke in its wake.

4. He felt a sudden rush of adrenaline, his heart pounding in his chest.

5. The birds sang sweetly, their voices filling the air with joy.