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。

　　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.