变一般疑问句的三种方法如下:
一、调整语序(调换句子结构)
1. 将be动词(am/is/are/was/were)或情态动词(can/must/should等)提前至句首,主语后置,句末加问号。
例:She is a student. → Is she a student?
二、添加疑问词或否定词
1. 使用疑问代词(what/who/where/why/how等)提问,剩余部分保持原形。
例:He is reading a book. → What is he reading?
2. 在句首添加否定词(如Don't/Doesn't),主语后置,句末加问号。
例:They go to school. → Don't they go to school?
三、特殊动词处理
对于实义动词,需根据时态添加助动词(do/does/did),主语后置,句末加问号。
例:She can swim. → Can she swim?
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