1. 完成时态(Present Perfect Tense) 完成时态是表示动作或状态在过去开始并一直延续到现在的时态。对于第一人称(I)和第二人称(you),我们使用have,对于第三人称(he,she,it)以及单数和复数形式(they,we),我们使用has。 - I have eaten dinner.(我吃过晚餐。) - You have finished your homework.(你已经完...
现在完成时 (The Present Perfect Tense)是过去的动作或状态持续到现在,或对现在造成的影响,可能持续发生下去。 它的构成是:主语+have/has +动词的过去分词。 ①助动词have/has可以与主语缩写为’ve/’s。 I have → I’ve, We have → We’ve,He has → He’s,It has → It’s ②规则变化的过去分...
现在完成时就是由have /has +P.P.(动词过去分词) 构成的。主语是第三人称或是单数时，就用has，否则用have了。“除了这些，英文总共是分几个part?” 这句话要好好表达下，看不懂！
现在完成时(Present Perfect Tense)现在完成时用来表示过去发生的动作对现在造成的影响或结果。例子:I have finished my homewor
Present perfect tense: have/has + past participlee.g. I have finished my homework.
1现在完成时，作为动词 I have had an apple 2一般过去时 I had an apple yesterday ...
Present Perfect Tense to talk about past actions with some importance now to tell about the new things that have happened to tell the activity done up to now use with already, yet, and just to talk about past actions with some importance now He is not here. He has gone to Paris. We ...
Present Perfect Tense. Used to indicate an action that started in the past and is connected to the present. It emphasizes the completion or experience of the action. Past Perfect Tense. Used to indicate an action that occurred before another past action. It shows that something was completed ...
Present perfect tense Form: have/has done… 通常使用现在完成时的几种情况: 1 表示发生在过去对现在仍有影响的动作。 I have read the book. 2 表示过去发生一次或多次的动作。 We have all played football. 3 表示过去开始的动作一直延续到现在,只 能用于某些带有延续意义的动词,常与 for, since, so ...