She cleaned her room. 这个句子是一般过去时的主谓宾结构。这种结构的句子变为一般疑问句时,句型为:Did + 主语 + 动词原形 + 其他?
根据以上变化规则,这个句子的一般疑问句为:Did she clean her room?
在列举几个例子,共题主学习:
I ate two apples. 一般疑问句:Did you eat two apples?
He went to his home yesterday. 一般疑问句:Did he go to his home yesterday?
They waited for two hours there. 一般疑问句:Did they wait for two hours there?
另外,一般疑问句的肯定回答为:Yes, 主语人称代词 did; 否定回答为:No, 主语人称代词 didn't.