引導時間副詞子句：when, after, before, since, as, until
引導原因副詞子句：because, since, as
引導條件副詞子句：if, in case, provided, unless, as long as
引導讓步副詞子句（表示雖然，即使等語意）：though, although, even if, even though
引導目的副詞子句：so that, in order that
引導結果副詞子句：that ( so…that, such…that)
1. Before she fell, a black cat crossed her path and jinxed her.
2. What do you normally do when you are driving?
3. I would like to take care of my parents when they are older.
4. I’ve wanted to be a famous scientist since I was a little boy.
5. Do you mind if I use your phone?
6. Because we are late, we have to hurry.
7. Since you don’t like English, you can take Japanese.
8. It was raining so hard that I stayed at home.
9. He is working hard in order that he may live a better life.
10. Althouhg he studied very hard, he did not pass the exam.