将含有过去式的句子改为一般疑问句,需根据句子结构选择合适的方法,具体规则如下:
一、基本规则
一般过去时陈述句 若谓语动词为一般过去时(如walked, ate等),需在主语前添加助动词 did
,并将原形动词还原。 *例*:
- 陈述句:He watched a movie last night.
- 一般疑问句:Did he watch a movie last night?
过去分词作谓语
若谓语为过去分词(如have finished, been to等),需借助助动词 did将其还原为原形。 *例*:
- 陈述句:She has finished her homework.
- 一般疑问句:Did she finish her homework?
二、注意事项
be动词(was/were)
若谓语为be动词的过去式(如was, were),需将be动词提前至句首,后续动词用原形。 *例*:
- 陈述句:They were at the party last night.
- 一般疑问句:Were they at the party last night?
特殊动词
- 情态动词(如can, could, may等)需提前至句首,后续动词用原形。 *例*:
- 陈述句:He can swim.
- 一般疑问句:Can he swim?
- 助动词have/has需提前,后续动词用原形(第三人称单数用has)。 *例*:
- 陈述句:Tom has a car.
- 一般疑问句:Does Tom have a car?
三、补充说明
疑问词选择: 一般疑问句需用疑问词(如what, where, when等)开头,特殊疑问句则用特殊疑问词(如who, which等)。- 否定句转换
一般疑问句:Did she call you last night?
否定句:Did she not call you last night?
通过以上方法,可灵活将含过去式的句子转换为一般疑问句。