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
百度试题 结果1 题目Present perfect tense: have/has + past participle e.g. I have finished my homework.相关知识点: 试题来源: 解析 在强调重点和难点时,适当提高音量,加强语气。反馈 收藏
现在完成时的构成:have/has+过去分词。表示从过去某时刻开始一直延续到现在的动作,还有可能延续下去,强调对现在造成的影响。主语是I,所以要用have+过去分词来填空。故填:have,visited。 用现在完成时的正确形式填空。我以前从来没有访问过这么美丽的城市。反馈 收藏 ...
Which of the following is the correct use of the present perfect tense? A. I have been lived here for five years. B. I have lived here for five years. C. I have been living here for five years. D. I have been here for five years. ...
present perfect (have done) 和 simple past (did) 有什么区别?如果难以说明的话,请教我一下例句。 JSLF 2017年5月13日 英语(美国) 中文(简体) 中文(繁体,香港) This should help:https://learnenglish.britishcouncil.org/en/engl... 查看翻译 这个答案有帮助吗? 嗯... (0) 有帮助 (0) [...
百度试题 结果1 题目What is the present perfect tense of the verb "to go"? A. go B. goes C. went D. have gone 相关知识点: 试题来源: 解析 D 反馈 收藏
【题目】The present perfect tense They've gone ond we've won. A has/have done something We can use the present perfect tense to talk obout水things that happened in the post, but are connected with the present. It is formed with has/have + the past participle form of the verb They'...
present perfect is used: when some past action very recently completed/happened, or is still happening, and when you do not want to place the time specifically. if it started and ended in the past and/or is specific in time, you would use the simple past