作业帮门口站着一位警察.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?
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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?
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?
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?
with a policeman standing outside
was的主语是your wife,而were的主语使you
There is a policeman standing outside the door.
前面是单数，后面you 后自然要用are,只不过这里是过去时were.
A policeman stood outside.
were 原因同上
There is a policeman standing by the door.
By the door stands a policeman.
wife是第三人称用is 过去时就是was
you是第二人称,用are,过去时就是were
门口站着一位警察。
There is a policeman standing at the door.
while时两个动作同时进行, 都用进行时(时态一致)
your wife = she 第三人称单数 is的过去时= was
you are的过去时= you were
There is a policeman standing the front of the door！
Police stood a door.
(There is) a policeman standing at the door.