have done

have done的音标是[hæv dʊn]，基本翻译是“已经完成”，速记技巧是“ha唯独恩”。

have done的英文词源是：

- 词源：have/had/having + done

- 词源：have/had/having 是助动词，表示拥有或完成某事，done 是过去分词，表示完成的事情。

变化形式：have done 的变化形式为 have been done，表示某事已经完成或发生。

相关单词：

- complete：完成，完全；词源同complete。表示完成某事，达到完全状态。

- finish：结束，完成；来自古代英语中的动词 finish，意为结束工作。表示完成某项工作或任务。

- achieved：取得，完成；来自 achieve，意为达到目标或实现目标。表示成功地完成某项任务或目标。

- accomplished：完成，实现；来自 complete 的过去式和过去分词形式。表示已经完成或实现某项任务或目标。

- accomplishedness：完成度，熟练度；由 accomplished 派生而来，表示完成某项任务或目标的熟练程度。

以上这些单词都与 have done 有着密切的联系，它们都表示完成某项任务或目标的意思。这些单词在英语中广泛使用，并被用来描述各种情况下的完成状态和程度。

常用短语：

1. have finished

2. have done well

3. have done some research

4. have done some reading

5. have done some exercise

6. have done well in

7. have done a lot of work

例句：

1. I have finished my homework and now I can watch TV. （我已经完成了作业，现在可以看电视剧了。）

2. He has done well in his studies and is now preparing for his future career. （他在学业上表现不错，现在正在为未来的职业生涯做准备。）

3. They have done some reading about the topic and now they are discussing it in class. （他们已经阅读了一些关于这个话题的材料，现在正在课堂上讨论。）

4. After doing some exercise, I feel much better and more energetic. （做完一些运动后，我感觉好多了，更有活力了。）

5. I have done a lot of work this week and now I am ready to relax and unwind. （这周我做了很多工作，现在我准备放松一下，放松身心。）

6. We have done a lot of research on this topic and now we are ready to present our findings to the class. （我们对这个话题做了很多研究，现在我们准备向班级展示我们的研究结果。）

7. After having done some volunteer work, I realize the importance of helping others and making a difference in their lives. （在做了志愿者工作之后，我意识到帮助他人和改变他们生活的重要性。）

英文小作文：

Doing things for others is a great way to make a difference in their lives, but it can also be a very rewarding experience for you as well. When you help someone in need, you feel a sense of accomplishment and satisfaction knowing that you have made a positive impact on their life. At the same time, doing good deeds can also bring you joy and happiness, which can help you feel more connected to others and the world around you. So, if you have the chance, try to do something nice for someone today and see how it makes you feel. You might be surprised by the positive impact it can have on your life as well as that of others.