新概念英语第一册语法,新概念英语一语法：不含be动词的句子

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　　(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.

　　注意：第三人称单数形式一般在动词后面加S，不要和名词复数混淆，变否定句或疑问句时名词复数没有任何变化。

　　(2)其他人称及复数名词

　　I want to have a bath.

　　We have some meat.

　　The students like smart teachers.

　　★变疑问句在句首加do

　　Do you want to have a bath?

　　Do we have any meat?

　　Do the students like smart teachers?

　　★变否定句在主语和动词之间加don't.

　　You don't want to have a bath.

　　We don't have any meat.

　　The students don't like smart teachers.

　　★肯定回答及否定回答

　　Yes, I do. / No, I don't.

　　Yes, we do. / No, we don't

　　Yes, they do. / No, they don't.

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