状语从句接在什么词后面?

状语主要是用来修饰动词和形容词的,以表明动作发生或状态存在的时间,地点,原因,等.
1 Ten years ago,She began to live in Dalian.
时间状语修饰began
2 The boy was praised for his bravery.
原因状语修饰was praised
B 状语从句就是用一个句子来代替上面的时间状语和原因状语.
1 Ten years ago,she began to live in Dalian.
When she was 12 years old,she began to live in Dalian.
2 The boy was praised for his bravery.
The boy was praised because he saved the baby’s life in the freezing river.