i need to buy a book 改为否定句

i need to buy a book 改为否定句 I WANT TO BUY A NEW BOOK .改为否定句 I need to buy some apples.改为否定句 I'm going to buy a book this afternoon. 改为一般疑问句和否定句. I want to buy a new dictionary.(改为否定句) I want to buy a backpack.(改为否定句) I also need to buy some food for dinner .(改为否定句) I ___ ___ _ We need to buy some food.改为否定句 need,a,for,sister,I,buy,book,my,to连词成句,秒回秒采 按要求改写句子,1.I need to buy some food for dinner tonight（改为否定句）I 改为否定句：It looks nice.改为一般疑问句：I want to buy a walkman. I would like to buy a new watch.（改为否定句） I ____ ____ to buy a