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小學英語語法大全:現在完成時

時間:2016-01-04 10:06:00   來源:無憂考網     [字體: ]
構成:主語+助動詞have, has+過去分詞

    用法:

    2) 表示過去發(fā)生的和現在有某種聯(lián)系的動作,常和just, usually, already, since等時間副詞連用

    I have just had lunch. (飽了,不用再吃了)

    He has had a cup of tea.(不渴了,不用再喝)

    They have already had their holiday. (不能再度假了)

    The boy has already read the book. (已經知道書的內容了,不用再看了)

    3) 詢問別人是否做過某事一般用現在完成時:

    Have you finished your homework?

    Have you been to Beijing?

    Have he seen the film?

    4) 表示開始于過去并持續(xù)到現在的動作

    I have lived in Beijing for twenty years.

    I have worked for this school for 1 year.

    5) 表示一種經歷,經驗:去過…地方,做過…事情,經歷過…事情

    I have never had a bath.

    I have never seen a film.

    I have never been to cinema.

    I have ever been to Paris.

    Have been to表示去過,have gone to 表示去了

    I have been to London.(人已經回來)

    He has gone to London.(人還在那里)

    6) 表示一種結果, 一般不和時間副詞聯(lián)用

    I have lost my pen.

    I have hurt myself.

    He has become a teacher.

    She has broken my heart.

    句型變化:

    ★變疑問句將助動詞移到句首,變否定句在助動詞后面加not.

    e.g. Have you lost your pen? I have not lost my pen.

    ★肯定回答及否定回答

    Yes, I have. No, I have not.

    ★特殊疑問句:

    What have you done?

    What has he done?

    一般過去時與現在完成時的區(qū)別:

    凡是有明確的表示過去的時間狀語的句子為過去時

    注意:有些動詞表示的動作有一個終點,不能再延續(xù),因此不能和表示一段時間狀語連用

    錯:I’ve left Beijing for 3 days.

    對:I left Beijing 3 days ago. I have been away from being for 3 days.