1.Her house is in excellent repair.Her house is over 200 years old
--> her house which is over 200 years old is in excellent repair
2.This is Mr.Hung.I was telling you about him
--> This is Mr. Hung whom I was telling you about
3.Nam could see the main part of the film.He came the movies late due to broken bike
--> nam who came the movies late due to broken bike could see the main part of the film
4.The picture was painted by my friend.It is on the wall
--> The picture which is on the wall was painted by my friend
5.There are some words.They are very difficult to translate
--> There are some words which are very difficult to translate
6.The book was too expensive.I want to buy it
--> the book which I want t buy was too expensive