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现在完成时态 练习 用英语
现在完成时态是英语学习中一个非常重要的时态，它用来描述从过去某一时间点开始持续到现在的动作或状态。与其他时态不同，现在完成时态强调的是动作对现在的影响或其结果，而不是具体发生的时间。例如，“I have finished my homework”（我已经完成了作业）中的“have finished”就是现在完成时态，重点在于作业已经完成，对现在的影响是你可以做其他事情了。理解和掌握现在完成时态对于提高英语表达能力非常关键。
在这部分的练习中，我们将通过一系列的句子和对话练习来帮助你更好地掌握现在完成时态的用法。练习内容包括肯定句、否定句和疑问句的结构，以及常见的时间副词如“already”、“yet”、“just”、“ever”和“never”的使用。通过这些练习，你不仅能理解现在完成时态的基本结构，还能学会在不同的语境中灵活运用这一时态，提高你的英语写作和口语表达能力。
Exercise 1
<p>1. She has *finished* her homework (complete) 她已经完成了作业。</p>
<p>2. They have *eaten* dinner already (consume) 他们已经吃过晚饭了。</p>
<p>3. He has *lost* his keys again (misplace) 他又把钥匙弄丢了。</p>
<p>4. We have *visited* Paris twice (travel) 我们去过两次巴黎。</p>
<p>5. I have *read* this book before (peruse) 我以前读过这本书。</p>
<p>6. The movie has *started* already (begin) 电影已经开始了。</p>
<p>7. She has *written* three letters today (compose) 她今天写了三封信。</p>
<p>8. They have *bought* a new house (purchase) 他们买了一栋新房子。</p>
<p>9. He has *seen* this film multiple times (view) 他看过这部电影好几次了。</p>
<p>10. We have *lived* here for five years (reside) 我们在这里住了五年了。</p>
Exercise 2
<p>1. She has *finished* her homework (完成作业).</p>
<p>2. They have *traveled* to many countries (去过很多国家).</p>
<p>3. He has *lived* in this city for ten years (住在这座城市十年了).</p>
<p>4. We have *eaten* breakfast already (已经吃过早餐了).</p>
<p>5. The movie has *started* (电影已经开始了).</p>
<p>6. I have *read* that book (读过那本书).</p>
<p>7. She has *met* him before (之前见过他).</p>
<p>8. They have *finished* their project (完成了他们的项目).</p>
<p>9. He has *lost* his keys (丢了他的钥匙).</p>
<p>10. We have *known* each other for a long time (认识很久了).</p>
Exercise 3
<p>1. She has *finished* her homework (verb for completing something). 她已经完成了作业。</p>
<p>2. They have *visited* the museum (verb for going to see a place). 他们已经参观了博物馆。</p>
<p>3. He has *lost* his keys (verb for misplacing something). 他已经丢了他的钥匙。</p>
<p>4. We have *eaten* dinner (verb for consuming food). 我们已经吃过晚饭。</p>
<p>5. I have *read* that book (verb for looking at and understanding written words). 我已经读过那本书。</p>
<p>6. The movie has *started* (verb for beginning). 电影已经开始了。</p>
<p>7. She has *written* a letter (verb for creating text by hand or typing). 她已经写了一封信。</p>
<p>8. They have *traveled* to Japan (verb for going to a different place, usually far away). 他们已经去过日本。</p>
<p>9. He has *bought* a new car (verb for purchasing something). 他已经买了一辆新车。</p>
<p>10. We have *seen* that movie (verb for watching something). 我们已经看过那部电影。</p>
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