2、不含有be动词的句子，即含有一般动词的句子。

　　(1)第三人称单数及单数名词

　　He likes books.

　　She likes him.

　　The dog likes bones.

　　★变疑问句在句首加does, 动词变为原型

　　Does he like books?

　　Does she like him?

　　Does the dog like bones?

　　★变否定句在主语及动词之间加doesn't, 动词变为原型，原句中的动词不再有第三人称变化。

　　He doesn't like books.

　　She doesn't like him.

　　The dog doesn't like bones.

　　★肯定回答及否定回答：

　　Yes, he does. / No, he doesn't.

　　Yes, she does. / No, she doesn't

　　Yes, it does. / No, it doesn't.