present perfect 和 present perfect continuous 的最大区别在: 前者表示某事情在过去已经完全完成,可不知道确定时间.例如:He has wrote this novel. (没有确定他什么时候写,也不知道什么时候写完) 后者表示某事情在过去已经发生和还在进行到一定的时间,有确定的时间.例如:He has been writting this novel 6 month...
: a verb tense that is used to refer to an action that began in the past and is completed at the time of speaking Note: The present perfect in English is formed with "has" and "have" and the past participle of a verb, as in "He has left," and "They have found what they wer...
present perfect 和 present perfect continuous 的最大区别在: 前者表示某事情在过去已经完全完成,可不知道确定时间.例如:He has wrote this novel. (没有确定他什么时候写,也不知道什么时候写完) 后者表示某事情在过去已经发生和还在进行到一定的时间,有确定的时间....
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！
She has three dogs and a cat. She’s having supper. I can see Anthony in the garden. I’m seeing Anthony later. Present perfect tense 1.present perfect-form The present perfectof any verb is composed of two elements :the appropriate of the main verb is base+ed :played,arrived,looked,...
Present perfect tense: have/has + past participlee.g. I have finished my homework.
The structure of the Present Perfect is: have/has done 现在完成时结构:have/has done ● When we talk about something that happened in the past, but we don’t specify precisely when it happened, we usethe Present Perfect. ● 表示某事发生在过去,但并未给出具体的发生时间,用现在完成时。
结果1 题目 4.现在完成时:Present Perfect定义:表示动作已经完成,但对现在造成影响;或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。结构:has/have十过去分词标志词:already,yet,ever,never,since,for.. 相关知识点: 试题来源: 解析 4. used to 反馈 收藏 ...
1、1 现在完成时 Present perfect 接触一:肯定句式 现在完成时的肯定句式是“have(has)过去分词”。如: We have just finished our homework She has gone home 注意:1)该句式中的have或has是助动词,has用于第三人称单数,其它人称一律用have。 2)该句式中have(has)和过去分词之间可用just插入。 3)把该句式...
The structure of the Present Perfect is: have/has done 现在完成时结构:have/has done ● When we talk about something that happened in the past, but we don’t specify precisely when it happened, we usethe Present Perfect. ● 表示某事发生在过去,但并未给出具体的发生时间,用现在完成时。