新概念第一冊語法：一般現(xiàn)在時(shí)

新概念頻道為大家整理的新概念第一冊語法：一般現(xiàn)在時(shí) ，供大家參考。更多閱讀請查看本站 新概念英語網(wǎng)頻道。
    一般現(xiàn)在時(shí)
    表示一般性，經(jīng)常性的動(dòng)作或一般性事實(shí)。
     含有be動(dòng)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(dòng)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(dòng)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(dòng)詞的句子，即含有一般動(dòng)詞的句子
    第三人稱單數(shù)及單數(shù)名詞
    He likes books.
    She likes him.
    The dog likes bones.
    ★變疑問句在句首加does, 動(dòng)詞變?yōu)樵?BR>    Does he like books?
    Does she like him?
    Does the dog like bones?