1нужно переделать в пасив, а 2 переделать и перевести

Look! The street is crossed by a little girl in wrong place.
I was impressed greatly with broad and straight streets of Moscow.
Lectures on art had been attended by him before I arrived in Omsk.
All passengers were put down by conductor when I was about to get on.
The magnificent building was built 2 years ago.
Moscow is visited by many tourists from different countries.
These places of interest will be seen on Sunday.

Moscow is visited by many tourists from different countries.
These sights will be seen soon.
I was amused with many flowers on the street.
When she had come, lecture was already finished and the questions that were suggested by a lecturer were discussed.
Look at this beautiful house that is built here!
This palace was built here 2 years ago.
He was already seen today.
These rules are used when you are translate. You should know them well.