chuyển các câu sau sang thể bị động they are preparing dinner in another room. lenin gave each of them two exercise books yesterday. the 20th century has given us a lot of advantages. you will have to make great efforst in studying. we are going to translate HAMLET into our native language. they used to make the little boys climb the chimneys to clean them. they didn'n look after the chilren properly. everyone doesn't look for him everyday.
They are preparing dinner in another room.
-> Dinner is being prepared in another room.
Lenin gave each of them two exercise books yesterday.
-> Each of them was given two exercise books by Lenin yesterday.
The 20th century has given us a lot of advantages.
-> We have been given a lot of advantages by the 20th century.
You will have to make great efforts in studying.
->Great efforts in studying will have to be made by you.
We are going to translate HAMLET into our native language.
-> HAMLET is going to be translated into our native language by us.
They used to make the little boys climb the chimneys to clean them.
-> The little boys used to be made to climb the chimneys to clean them.
They didn't look after the children properly.
-> The children weren't looked after properly.
Everyone doesn't look for him everyday.
-> He isn't looked for by anyone everyday.