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heis开头的句子怎么改成疑问句?

时间:2025-03-30 10:12:07

将以"heis"开头的句子改为疑问句时,需根据具体语境选择合适的be动词(am/is/are)并将其提前。以下是具体方法及示例:

一、基本规则

1. 若主语为第三人称单数(如he/she/it),be动词用"is";

2. 若主语为第一人称单数(如I)或复数(如we/they),be动词用"am"或"are"。

二、常见用法示例

现在时态

原句:He is reading a book.

疑问句:Is he reading a book?

过去时态

原句:He was at the party last night.

疑问句:Was he at the party last night?

完成时态

原句:He has finished his homework.

疑问句:Has he finished his homework?

三、注意事项

若句子为祈使句(如"He is going to the store."),改为疑问句需使用助动词"Did":

疑问句:Did he go to the store?

若句子为含有情态动词(如can, could)的陈述句,直接将情态动词提前:

原句:He can swim.

疑问句:Can he swim?

四、补充说明

若需强调动作发生的时间,可用特殊疑问词(如when, where)引导:

原句:He lives in New York.

疑问句:Where does he live?

通过以上方法,可根据具体语境灵活调整be动词和疑问词,构成符合语法规则的疑问句。