My father died when I was five years old.
When my father died,I was five years old.
When I was five years old, my father died .
When I was at school,I loved history.
以上都是正确的句子。
I was at school,when I loved history.(错误)
As you grow older，you'll know better and better about yourself.正确的句子
you grow older，as you'll know better and better about yourself. （错误）
Once you talk to him, you'll know he is a learned man.正确的句子
you talk to him, Once you'll know he is a learned man.（错误）
