一般現在時：表示一般性，經常性的動作或一般性事實。

含有be動詞的句子

He is a teacher.

The girl is very beautiful.

Tim and Jack are students.

★變疑問句將be動詞移到句首

Is he a teacher?

Is the girl very beautiful?

Are Tim and Jack students?

★變否定句在be動詞后面加not

He is not a teacher.

The girl is not very beautiful.

Tim and Jack are not students.

★肯定回答及否定回答

Yes, he is. No, he is not.

Yes, she is. No, she is not.

Yes, they are. No, they are not.

u 不含有動詞的句子，即含有一般動詞的句子

第三人稱單數及單數名詞

He likes books.

She likes him.

The dog likes bones.

★變疑問句在句首加does, 動詞變為原型

Does he like books?

Does she like him?

Does the dog like bones?

★變否定句在主語及動詞之間加doesn’t, 動詞變為原型

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：第三人稱單數形式一般在動詞后面加S，不要和名詞復數混淆，變否定句或疑問句時名詞復數沒有任何變化。

其他人稱及復數名詞

I want to have a bath.

We have some meat.

The students like smart teachers.

★變疑問句在句首加do

Do you want to have a bath?

Do we have any meat?

Do the students like smart teachers?

★變否定句在主語和動詞之間加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.