Although the test was hard, she passed it.
Compound
I stayed inside because it was raining.
Compound
If you finish your homework, we can go outside.
Compound
He won’t go to the party unless you invite him.
Compound
I finished my homework.
Simple
The dog barked loudly.
Simple
They play soccer on Saturdays.
Simple
She smiled although she was tired.
Compound
It rained yesterday.
Simple
Before the movie started, we grabbed popcorn.
Compound
She likes apples.
Simple
I’ll call you when I get home.
Compound
I love to read.
Simple
I hear birds sing in the morning.
Simple
We started eating after he arrived.
Compound
The sun is shining.
Simple