（1）时间状语: When crossing the road, you need to be careful.
（2）原因状语:
Writing hurriedly, she didn't notice the spelling errors.
Having finished the homework, I went out to play.
Having been told the risk, she knew she needed to be careful.
Being stuck in the storm, I felt very helpless.
（3）条件状语: Working hard, you will succeed.
（4）让步状语: Admitting it is true, we couldn't explain it.
（5）方式状语: You give me such a fright hiding behind the door.
（6）伴随状语: The teacher came in, following his students.
（8）结果状语: He fell off the bike, breaking his legs.
