我回家时爷爷正在看报的翻译：When I came home my grandfather is reading his newspaper 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

My grandfather was at home reading the newspaper

When I came home my grandfather is reading his newspaper

I go home when grandfather is reading a newspaper

When I returned home my grandfather is read the newspaper

When I came home my grandfather is reading his newspaper