Chuyển đổi câu

Chuyển đổi câu :
1. Peter's house isn't far from the station
-> Peter's house is...
2. Tom's bed room has two bookshelves
-> There...
3. This exercise is two difficult for us to do
-> This exerice isn't...
4. My father intends to rebuild this house next month
-> My father is...
5. You shoul study harder 
-> You ought...
6. Nam mast go to the market himself
-> Nam has...