翻译几个过去完成时的句子（必须用过去完成时，如有异议，在后面说出）

①到1991年为止，他已在威海住了十年了。

②当我到达学校的时候，老师已经上了10分钟的课。

③当他回到家的时候，他意识到把书包落在学校了。

④今早我起床的时候，爸爸已经去上班了。

⑤来这之前你学习多长时间英语了？

They had lived in WEHAI for ten years by the end of 1991

the teacher had started the lesson for 10 minutes when i arrived at school

he realized that he had left the bag at xchool when he got home

dad had already gone to work when i got up

how long had you learned english before arriving here

1.He has lived in Wei Hai for ten years since 1981.

1.He had stayed in Weihai for 10 years until 1991.

2.My teacher had been teaching for 10min when I got to the school.

3.Not until did he realized he had left his bag in the school when he come back home.

4.My dad had gone to work when I got up this morning.

5.How long have you learned English before you came here.