来源：网络
英语肯定句变为一般疑问句巧妙方法
一、把be动词（am is are）和情态动词(can, may, must...)放到句首，其它照写。I/we—you, my—your. some—any. 句号变成问号（？）
例如：陈述句: They are in the park. He can play the guitar..
一般疑问句: Are they in the park? Can he play the guitar?
把下列陈述句改为一般疑问句子。
My father is listening to music.
2. I am a student.
3. Li Li can clean the classroom。
4. Danny is in the zoo.
5. There are some flowers on the desk。
6. These are my books。
7. He is sweeping the floor。
8、You may come in 。
9、I am going to do my homework 。
二、借助一般现在时助动词do/does,第三人称单数用does,其余人称用do；一般过去时助动词did放到句首，其他照写。特别记住：后面的动词一定还原成原形。遇I/we—you, my—your, some—any. 句号变成问号（？）
例如：陈述句: I like the ducks. He likes the dogs.
一般疑问句：Do you like the ducks? Does he like the dogs?
把下列陈述句改为一般疑问句子。
He needs some ink。
She likes making snowmen。
Su Hai and Su Yang live in a new house。
4. I often sing some songs。
I played football last Sunday。
Jenny never does housework at home。
I did my homework yesterday afternoon 。
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