boxes为何要用复数?He piled the boxes one on the top of the other.句中boxes后是单数one 可以用box吗?

boxes为何要用复数?He piled the boxes one on the top of the other.句中boxes后是单数one 可以用box吗? We have bought two boxes of apples for the coming party.这句话对吗?boxes of apples为什么用复数 单数句变复数句,复数句变单数句1He is his friend.2Those are boxes.3 These are desks. he has collected 4( boxes of / boxes) stamps选哪个? one of the boxes are/ is there.请问使用is还是are啊?到底是跟着one 用单数,还是跟着 boxes 用复数? don't buy cups or boxes which can be used only once.为什么用which?what呢?boxes不是复数吗可用which Where is my pencil-box （改为复数形式）改：where are my pencil-boxes?为什么改为复数形式,原来的is要用are pencil-boxes 为什么要加上 名词做定语时,什么时候用复数,如letter boxes,room numbers,这里的box,nmbers为什么是复数,什么时候都用单数 He is a baby变复数 It is a fish变复数 Look!There are soHe is a baby变复数It is a fish变复数Look!There are some geese变单数形式They are new pencil boxes变单数We can see eight birds on the tree变单数She is a doctor变复数 He usually spends much of his spare time collecting coins and _____(use)match boxes.用适当形式填空 This is a box.(改为复数句）是These are boxes.还是These are many boxes. ____ does Tom put the boxes?He ____ them there..... 每人两箱苹果 英语怎么说?1 每人两箱苹果 two boxes of apples for everyone 是否可以?前面box用了复数,后面 apple 还是继续用复数才对吧.2 Everyone has two boxes of apples 这么写是否也可以啊?这里的 Everyone everyone ,every one 两者都是可以做主语吧?1 每人两箱苹果 two boxes of apples for everyone 是否可以?前面box用了复数,后面 apple 还是继续用复数才对吧.2 Everyone has two boxes of apples 这么写是否也可以啊?这 There be句型变复数地点状语要不要变比如说There is a pencil in that box.转为复数要不要把box→boxes>?如果必须选择一个呢?请说明理由. all these books need to be packed into the boxes为什么要用be picture复数为何加s two boxes of 后面加可数还是不可数名词?是复数还是单数?