我已经延长回学校的行程日期的翻译：I have been extended back to school tour dates 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

I have extended the date of the trip back to school

I have been extended back to school tour dates

I already lengthened the school the traveling schedule date

I have already extended date back to the school's itinerary

I have been extended back to school tour dates