高中现在进行时练习题及讲解

高中现在进行时练习题及讲解
1. 选择正确的选项完成句子：
- She _______ (is reading/reads) a book right now.
- The children _______ (are playing/playing) in the park.
2. 填空题：
- Look! The cat _______ (jump) over the fence.
- I _______ (not watch) TV now because I am studying.
3. 改写句子，使用现在进行时：
- She reads a book every day. → She _______ _______ a book now.
4. 根据给出的情境，用现在进行时完成对话：
- A: What are you doing?
- B: I _______ _______ (cook) dinner.
5. 用现在进行时描述下列图片中的场景：
- A picture of a man running.
- A picture of children playing soccer.
讲解
现在进行时的构成是：主语 + am/is/are + 动词的现在分词形式（通常是动词后面加上-ing）。

1. 正确答案是：
- She is reading a book right now.
- The children are playing in the park.
2. 填空题答案：
- Look! The cat is jumping over the fence.
- I am not watching TV now because I am studying.
3. 改写句子答案：
- She is reading a book now.
4. 对话答案：
- B: I am cooking dinner.
5. 图片描述：
- The man is running.
- The children are playing soccer.
注意，当主语是第一人称单数（I）时，使用"am"；当主语是第二人称
单数或复数（you）时，使用"are"；当主语是第三人称单数（he, she, it）时，使用"is"；当主语是复数时，也使用"are"。

动词的现在分词
形式通常是在动词原形后面加上"-ing"，但是有些动词需要双写最后
一个辅音字母再加"-ing"，例如：run → running, swim → swimming。