Question

过去完成时when 、before、after造句每个一句，要翻译，简单些，六年级水平！

Answer 1

I had been at the bus stop for 20 minutes when a bus finally came.
当车来的时候，我在车站已等了20分钟。
After he arrived in England, Marx worked hard to improve his English.
马克思到达英格兰之后，努力提高他的英语水平。
They had planted six hundred trees before last Wednesday
在上个星期三之前他们种了六百棵树

Answer 2

句型一：过去完成时+when+一般过去时 如：
I had finished my homework when Mum came back. 妈妈回来的时候，我已经完成我的作业了。
句型二：过去完成时+before+一般过去时 如：
I had finished my homework before Mum came back. 妈妈回来之前，我已经完成我的作业了。
句型三：after+过去完成时+一般过去时 如：
After I had finished my homework, Mum came back. 我已经完成我的作业之后，妈妈才回来。

Answer 3

I had finished my homwork when she called me.她给我打电话时我已经完成了作业。
The train had left before I got there.在我到达之前火车就开走了。
I left the shop after I had bought what I want.买到想买的东西后，我离开了商店。

Answer 4

he is sleep,when I back home.
she went out, before I back home.
she goes out, after I back home.