《have has had的区别和用法》-优秀范文-写作素材-范文大全-范文网

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have has had的区别和用法

范文

拓展：have been，has been， had been

1.解释：have/has/had+been 都是完成时。

2.区别：has/have been是现在完成时,has用于第三人称单数; had been过去完成时,跟前者相比,比前者更为过去;

3.例句：

（1）He has been doing this work for a period of time.

（2）I want to have this book.

（3）Have you pass the math exam?

（4）Do you ever had a thought that you can win this game?

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