题目内容
13.I was doing my homework when my mother came in.(改为一般疑问句)Were youdoing your homework when your mother came in?
分析 我妈妈进来时,我正在做家庭作业.
你妈妈进来时,你正在做家庭作业吗?
解答 答案:Were; doing 句子中I was doing…为过去进行时,改成一般疑问句时,将be动词的适当形式提到句首,主语you,be动词要用are的过去式were,故填:Were; doing.
点评 改为一般疑问句,首先理解句子的意思和时态,抓住句子中的动词,将be动词、情态动词或助动词提到句首,请注意人称变化.
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