现在完成时在英语中的使用频率有很高，要是没学好，对英语的日常使用和各种考试而言，影响都会很大。现在完成时不仅是初中英语中最重要也是最难掌握的一个时态，同时它也是中考英语中一个 最重要的时态考点。许多同学对现在完成时的用法似懂非懂，做题时也往往是跟着感觉...

Already and Yet - Used with the Present Perfect [/en][cn]already和yet——用于现在完成时态[/cn] [en]Both already and yet refer activities ...

用法过了。(already偶尔会出现于句末) 　　    They have just won a game. 他们刚刚赢了一场比赛。 　　有时already可以用于疑问句，表示期待肯定回答，或表示惊讶、意外。 　e.g. Have you finis...

ALREADY[/en][cn]已经[/cn] [en]Already is used to show that something has happened earlier. It is used in the mid-position of the...

常被'not…any more'......或'no longer'所取代。 [en]I no longer have the book that you gave me.[/en][cn]我不再拥有你给我的那本书。[/cn] [en]I am not...

Just, yet, still, already These words are often used with the present perfect tense although yet, still and already can all be...