1 時態：
一般現在時，現在進行時，一般過去時，現在完成時，一般將來時，過去進行時，過去完成時，過去將來時
1. 一般現在時
表示一般性，經常性的動作或一般性事實。
1 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.
★不含有be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,原句中的動詞不再有第三人稱變化。
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.