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：第三人稱(chēng)單數(shù)形式一般在動(dòng)詞后面加S,不要和名詞復(fù)數(shù)混淆，變否定句或疑問(wèn)句時(shí)名詞復(fù)數(shù)沒(méi)有任何變化。

　　其他人稱(chēng)及復(fù)數(shù)名詞

　　I want to have a bath.

　　We have some meat.

　　The students like smart teachers.

　　變疑問(wèn)句在句首加do

　　Do you want to have a bath?

　　Do we have any meat?

　　Do the students like smart teachers?

　　變否定句在主語(yǔ)和動(dòng)詞之間加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.