【《现在完成时练习题及答案》】在英语语法中,现在完成时是一个非常常见的时态,用于表达过去发生的动作对现在产生的影响或结果。掌握现在完成时的用法对于学习英语的人来说至关重要。本文将围绕“现在完成时”展开,提供一些练习题以及对应的答案,帮助大家更好地理解和运用这一时态。
一、什么是现在完成时?
现在完成时由“助动词have/has + 过去分词”构成。它用来表示:
1. 过去发生的动作对现在仍有影响;
2. 动作从过去某一时间开始,一直持续到现在;
3. 在说话之前刚刚发生的事情。
例如:
- I have just eaten.(我刚吃过饭。)
- She has lived here for five years.(她在这里住了五年了。)
二、现在完成时的常见结构
1. 肯定句:主语 + have/has + 过去分词
例句:They have finished their homework.
2. 否定句:主语 + have/has not + 过去分词
例句:He hasn’t called me yet.
3. 疑问句:Have/Has + 主语 + 过去分词?
例句:Have you seen the movie?
三、现在完成时练习题
1. I ______ (finish) my work already.
2. She ______ (not go) to the party last night.
3. They ______ (live) in this city since 2015.
4. Have you ever ______ (visit) Japan?
5. He ______ (lose) his keys yesterday.
6. We ______ (not finish) the project yet.
7. She ______ (just arrive) at the station.
8. They ______ (buy) a new car last month.
9. I ______ (never eat) sushi before.
10. Has he ______ (complete) the task?
四、练习题答案
1. have finished
2. did not go
3. have lived
4. visited
5. lost
6. have not finished
7. has just arrived
8. bought
9. have never eaten
10. completed
五、小结
现在完成时是英语中一个非常实用的时态,正确使用它可以帮助我们更准确地表达过去与现在之间的关系。通过多做练习和不断巩固,相信大家能够更加熟练地掌握这一语法点。希望这篇练习题能对你的英语学习有所帮助!