门口站着一位警察.用英语怎么说
问题描述：
门口站着一位警察.用英语怎么说
第二个问题；
What was your wife doing while you were working in the garden?
你在花园干活的时候,你妻子在做什么?
请教的是为什么前面用was 后面用were?
答
with a policeman standing outside
was的主语是your wife,而were的主语使you