句子Р第三人称单数及单数名词РHe likes books.РShe likes him.РThe dog likes bones.Р★变疑问句在句首加does, 动词变为原型РDoes he like books?РDoes she like him?РDoes the dog like bones?Р★变否定句在主语及动词之间加doesn’t, 动词变为原型РHe doesn’t like books.РShe doesn’t like him.РThe dog doesn’t like bones.Р★肯定回答及否定回答:РYes, he does. No, he doesn’t.РYes, she does. No, she doesn’tРYes, it does. No, it doesn’t.Р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。Р其他人称及复数名词РI want to have a bath.РWe have some meat.РThe students like smart teachers.Р★变疑问句在句首加doРDo you want to have a bath?РDo we have any meat?РDo the students like smart teachers?Р★变否定句在主语和动词之间加don’t.РYou don’t want to have a bath.РWe don’t have any meat.РThe students don’t like smart teachers.Р★肯定回答及否定回答РYes, I do. No, I don’t.РYes, we do. No, we don’tРYes, they do. No, they don’t.