We need some peneils.怎么变成否定句?

We need some peneils.怎么变成否定句? we need some dictionary.改为否定句 we need some masks.否定句 we need some food for the picnic.否定句 We need to buy some food.改为否定句 They need some appies 怎么改否定句 We need some masks.变否定句为什么不能把not放在need后面 We need some milk and Coke(改为否定句) we don't need和we needn't有啥 We need to borrow some money from him.改为否定句We ___ ___ ___bor There is some bread inthe bag.怎么变成否定句? i must eat some food.怎么变成否定句 let's play basketball ,shall we ?怎么变成否定句?