初中英语语法一般现在完成进行时专项讲解及练习
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初中英语语法一般现在完成进行时专项讲解及练习
一、一般现在完成进行时的构成
一般现在完成进行时是由“have/has been + 动词-ing”的形式构成。表示动作或状态开始于过去某一时刻,持续到现在,并可能继续下去。
构成:主语 + have/has + been + 动词-ing
二、一般现在完成进行时的用法
1. 表示持续的动作或状态:主语 + have/has + been + 动词-ing
- I have been ___.(我已经研究英语三年了。)
- They have been waiting for the bus for an hour.(他们已经等车等了一个小时了。)
2. 表示最近发生的动作:主语 + have/has + just + been + 动词-ing
- He has just been ___.(他刚刚看了一部电影。)
- We have just been ___.(我们刚刚踢完足球。)
3. 表示经验或多次重复的动作:主语 + have/has + ever/never +
been + 动词-ing
- Have you ever been ___?(你曾经在海里游泳过吗?)
- She has never been skiing.(她从未滑过雪。)
三、一般现在完成进行时的练
1. 用所给单词的适当形式填空:
- I ____________ (wait) here for half an hour.
- They ____________ (study) for the test all morning.
- We ____________ (just finish) eating dinner.
- He ____________ (play) basketball since he was seven years old.
2. 根据句意和括号内的提示填空:
- How long ____________ they ____________ (learn) French? -
They have been learning French for three years.
- The dog ____________ (chase) its tail for the past ten minutes.
- She ____________ (work) on this project since morning.
- We ____________ (talk) for hours and we still have a lot to say.
3. 改错题:
- I has been living in this city since I was born. (改为“I have been
living in this city since I was born.”)
- They have just been buy new ___(改为“They have just been
___.”)
四、总结
一般现在完成进行时是用来描述从过去某一时刻开始一直持续到现在的动作或状态。它的构成是“have/has been + 动词-ing”,并根据不同的情况有不同的用法。在练中要注意动词的时态和语态的正确运用。