my sister often helps me怎样改成一般疑问句
问题描述：
my sister often helps me怎样改成一般疑问句
答
Does your sisiter often help you 一般疑问句助动词提前就行了,然后加个问号,我改成你就行了一般时是does,is,am,are过去时就是did would等看时态因为这里有often一般现在时时间状语 所以就用does my sister是第三人...