Нужна помощь с заданием по English "Make the sentences passive".

a new port was found at the mouth of river by them The port will be placed strategically on the Neva river by them goods are handled round the clock every day. by the workers alot of interesting have been learnt from this text by us the cargo is being uploaded from the holds by the seamen What port facilities were expanded by them?

1) They found a new port at the mouth of river. -THE NEW PORT AT THE MOUTH OF RIVER WAS FOUND BY THEM 2) They will strategically place the port on the Neva River. -THE PORT ON THE NEVA RIVER WILL BE STRATEICALLY PLACED BY THEM 3) The workers handle goods round the clock every day. -GOODS ARE HANDLED BY THE WORKERS ROUND THE CLOCK EVERY DAY 4) We have learnt alot of interesting from this text. -A LOT OF INTERESTING HAS BEEN LEARNT BY US FROM THIS TEXT 5) The seamen are unloading the cargo from the holds. -THE CARGO FROM THE HOLDS IS BEING UNDLOADED BY THE SEAMEN 6) What port facilities did they expand? -WHAT PORT FACILITIES WERE EXPANDED BY THEM?