二年级英语：现在进行时与日常对话
一、什么是现在进行时？
现在进行时用来描述此时此刻正在发生的事情。
中文提示词：正在、在……呢 英文提示词：now, look, listen
二、现在进行时的结构
基本公式
主语 + be动词(am/is/are) + 动词-ing + 其他
be动词的选择
| 主语 | be动词 |
|---|---|
| I（我） | am |
| He/She/It（他/她/它） | is |
| You/We/They（你/我们/他们） | are |
动词-ing变化规则
| 情况 | 变化方法 | 例子 |
|---|---|---|
| 一般情况 | 直接加-ing | read→reading, play→playing |
| 以不发音e结尾 | 去掉e加-ing | make→making, write→writing |
| 重读闭音节 | 双写末尾字母加-ing | run→running, swim→swimming |
三、句型转换
1. 肯定句
I am reading a book.（我正在看书。） She is singing a song.（她正在唱歌。） They are playing football.（他们正在踢足球。）
2. 否定句（在be动词后加not）
I am not reading a book.（我没有在看书。） She is not singing a song.（她没在唱歌。） They are not playing football.（他们没在踢足球。）
3. 一般疑问句（be动词提到主语前）
Are you reading a book?（你在看书吗？） Yes, I am. / No, I'm not.
Is she singing a song?（她在唱歌吗？） Yes, she is. / No, she isn't.
四、日常对话实战
对话1：在教室里
Amy: Hi, Tom! What are you doing? Tom: I'm drawing a picture. Amy: Wow! It's beautiful. What is Lucy doing? Tom: She is reading a storybook. Amy: Look! The teacher is coming. Tom: Let's go back to our seats.
对话2：在公园里
Mum: Look at the children. What are they doing? Dad: Bob is flying a kite. Lily is riding a bike. Mum: What is Mike doing? Dad: He is eating an ice cream. Mum: Ha ha, he looks very happy!
对话3：在家里打电话
Anna: Hello, this is Anna. May I speak to Mary? Mary's mum: Sorry, she is doing her homework now. Anna: OK. Is she free after dinner? Mary's mum: Yes, I think so. Anna: Great! I'm making a birthday card for her. Mary's mum: That's very nice of you!
五、现在进行时常用动词短语
| 英文 | 中文 |
|---|---|
| reading a book | 看书 |
| watching TV | 看电视 |
| doing homework | 做作业 |
| playing games | 玩游戏 |
| eating dinner | 吃晚饭 |
| drinking water | 喝水 |
| writing a letter | 写信 |
| listening to music | 听音乐 |
| cleaning the room | 打扫房间 |
| cooking dinner | 做晚饭 |
六、小练习
用所给词的适当形式填空
- Look! The cat __ (climb) the tree.
- Listen! Someone __ (sing) in the next room.
- It's 7 o'clock. We __ (have) breakfast now.
- What _ you _ (do) now?
- The boys __ (swim) in the pool.
连词成句
- is / she / a / making / cake
- are / they / not / basketball / playing
- you / reading / are / what?
翻译句子
- 我正在给我的朋友写一封信。
- 妈妈正在厨房做饭。
参考答案
- is climbing
- is singing
- are having
- What, are, doing
- are swimming
- She is making a cake.
- They are not playing basketball.
- What are you reading?
- I am writing a letter to my friend.
- Mum is cooking in the kitchen.
总结
现在进行时描述正在发生的事情，结构是"be动词 + 动词-ing"。记住这个公式，在日常对话中就能自信地描述周围正在发生的事啦！