We went to the mountains last weekend.对last weekend划线提问.
问题描述：
We went to the mountains last weekend.对last weekend划线提问.
答
When did we go to the montains?
答
When did you go to the mountains?
答
When did you go to the mountains
分析：问时间用when ,一般过去时要加助动词DID,原来的动词要还原,即went 要改为go
加油!不明白再问!