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- present perfect continuous 现在完成进行体
- The verb must be in the present perfect tense. 动词必须用现在完成时态。
- The present perfect is covered in Unit 8. 现在完成时在第8单元讲解。
- To grasp the usage of the present perfect tense. 掌握现在完成时态的用法。
- Make sure that you've mastered Present Perfect and Present Continuous in previous lessons. An overall knowledge of present participle is also a must. 确保你在前面的课程中已经掌握了现在完成时和现在进行时。了解现在分词的知识也是必要的。
- You may substitute present perfect? continuous for present perfect when an action started in the past and countinues in the present. 当动作发生在过去但一直延续或影响到目前时,你要用完成进行时代替过去完成时。
- Explain and illustrate the main use of the present perfect tense. 解释并举例说明现在完成时态的用法。
- Sometimes the past simple and the present perfect are confused. 有时一般过去时和现在完成时是混淆的。
- Perfect continuous implementation with weekly, monthly, quarterly& yearly follow up. (2) + 完善地连续每周;月;季;年执行有关改善行动.
- Rewrite the following sentences using the Present Perfect Passive Voice. 用现在完成时的被动语态改写下列句子。
- A perfect continuous curve of flowing trace was drawn with data from ARGOS service centre. 用从ARGOS服务中心索取的资料,描绘了一条连续完整的流迹曲线。
- Rewrite the following sentences using the Present Perfect Passive Voice . 用现在完成时的被动语态改写下列句子。
- And will learn The simple past tense, The present perfect tense, The past perfect tense as well as The future tense. 这个学期,我们学到了过去时,现在完成时,过去完成时和将来时等。
- To grasp“ the Present Perfect” and the Irregular verbs’ past tense& past participle tense. 掌握现在完成时态以及不规则动词的过去时态和过去分词。
- Change these sentences into the Present Perfect Passive, putting the verbs into the correct forms. 用动词的正确形式将下面的句子变成现在完成时的被动语态。
- Today we are going to revise the simple past tense and the present perfect tense. 出示表格和图片,区分一般过去时和现在完成时。
- There is no exactly equivalent French tense to the present perfect tense in English. 法语里没有和英语中的现在完成时完全对应的时态。
- This is the key to understanding the difference between the past simple and the present perfect. 这是一个了解一般过去时和现在完成时之间区别的关键。
- The present perfect is used to express something that happened at an unspecified moment in the past. 现在完成时被用于表示在以前一个未指明的时候发生的事。
- To grasp “the Present Perfect” and the Irregular verbs' past tense &past participle tense. 掌握现在完成时态以及不规则动词的过去时态和过去分词。