как изменяеться Pasive voice в косвенная речи?

Passive Vice in Indirect speech:

Прямая речь

You are pretty.
You are so intelligent.
You dance so well.
You've got [have got] lovely hair.
I'll never forget this day. He said I was pretty.

Косвенная речь

He said I was so intelligent.
He said I danced so well.
He said I had got lovely hair.
He said he would never forget that day.
Do you like ballet?
Have you ever been to Boston? He asked me if/whether I liked ballet.
He asked me if/whether I had ever been to Boston.
Where do you study?
What are you reading?
When will we meet again?
Why don't you stay longer? He asked me where I studied.
He asked me what I was reading.
He asked me when I should meet him again.
He asked me why I didn't stay longer.
Give me your telephone number, please.
Ring me up tomorrow.
Help me to translate an article from English! He asked me to give him my telephone number.
He asked me to ring him up the next morning.
He asked me to help him to translate an article from English

Золотое правило reported speech гласит: move one tense back. Отсюда:
pr. smpl - past smpl
pr. cont. - past cont.
past smpl и pr. perf. - past perf.
fut. smpl - fut. smpl in the Past
etc
Это верно как для актива, так и для пассива.
Удачи!

на один ранг в прошедшее время
а если стояло прошедшее симпл то будет Паст Перфект

Также как и в активном залоге

По тем же правилам, что и Active.