she was a famous actress when i was still at school 句型?she was a famous actress when i was still at school 当我还在上学的时候,她就是一个著名的女演员了.请问大家这个句子是一个什么句型?

she was a famous actress when i was still at school 句型?
she was a famous actress when i was still at school
当我还在上学的时候,她就是一个著名的女演员了.
请问大家这个句子是一个什么句型?