My brother ....

1.   ?    wants a dog
2.   ?    wants buy a dog
3.   ?    wants to buy a dog

My sister and I ....

1.   ?    want a new bedroom
2.   ?    want change our bedroom
3.   ?    want to change our bedroom

My parents ....

1.   ?    want a Michael Jackson CD
2.   ?    want to listen to a Michael Jackson CD
3.   ?    want listen to a Michael Jackson CD

I .....

1.   ?    want read my new book
2.   ?    want a new book
3.   ?    want to read my new book