Time:
* After: After the rain stopped, we went for a walk.
* Before: Before you leave, make sure to lock the door.
* Since: Since I was a child, I have loved to read.
* While: While I was working, my phone rang.
* When: When you see her, tell her I said hello.
* As: As I was walking down the street, I saw a dog running loose.
* Until: I will stay here until you come back.
Cause and Effect:
* Because: Because I was tired, I went to bed early.
* Since: Since I was already late, I decided to take a taxi.
* As: As I was getting ready, the power went out.
* So that: I studied hard so that I could pass the exam.
Contrast or Concession:
* Although: Although I was sick, I went to work.
* Even though: Even though it was raining, we went for a hike.
* Though: Though I was nervous, I gave the presentation.
* While: While I love pizza, I don't like pepperoni.
* Whereas: The cat loves to sleep, whereas the dog loves to play.
Condition:
* If: If you study hard, you will pass the test.
* Unless: Unless you work harder, you won't get a promotion.
* Whether: Whether you agree or not, we're going to do it.
* In case: In case you forget, here's your phone number.
Purpose:
* So that: I set an alarm so that I wouldn't be late.
* In order that: I wrote a letter in order that he would understand my position.
Other:
* Where: I'm going where the music is.
* How: I don't know how to get there.
* Why: I'm not sure why he left.
Remember that subordinating conjunctions introduce dependent clauses, which cannot stand alone as complete sentences. They need to be combined with an independent clause to form a complete sentence.