there are some big trees behind my house 对"behind my house"提问怎么改并说明理由

问题描述:

there are some big trees behind my house 对"behind my house"提问怎么改并说明理由

where are the big trees?
原句子是表示位置,所以用where提问为什么要加the呢?因为some trees是名词,前面要加冠词,也可以是these,those