现在进行时
Go to Practice Exercises现在进行时（Present Continuous/Present Progressive）用于描述正在进行或在现在时段进行的动作。它由'be'的现在形式 + 动词-ing构成。
现在进行时有不同的用法。它可以描述正在进行的动作、临时情况、未来安排，甚至令人厌烦的习惯。理解何时使用这个时态是说自然英语的关键。
构成
肯定句
用am/is/are + 动词-ing构成现在进行时。所有动词都使用相同的结构。缩写形式（'m、's、're）在口语英语中很常见。
| 完整形式 | 缩写形式 |
|---|---|
| I am sleeping | I'm sleeping |
| You are working | You're working |
| He is / She is / It is studying | He's / She's / It's studying |
| We are learning | We're learning |
| They are playing | They're playing |
否定句
在动词'be'后面加'not'来形成否定句。缩写形式通常被使用。
| 完整形式 | 缩写形式 |
|---|---|
| I am not studying | I'm not studying |
| You are not playing | You aren't playing |
| He is not / She is not reading | He isn't / She isn't reading |
| It is not raining | It isn't raining |
| We are not cooking | We aren't cooking |
| They are not listening | They aren't listening |
是/否问句
将am/is/are放在主语前面来形成是/否问句。
例句：
- Am I eating chocolate?
- Are you studying now?
- Is he working?
- Is she doing her homework?
- Is it raining?
- Are we meeting at six?
- Are they coming?
疑问词问句
对于疑问词问句，在问句开头添加疑问词。
例句：
- Why am I eating chocolate?
- What are you studying now?
- When is he working?
- What is she doing?
- Why is it raining?
- Who are we meeting?
- How are they travelling?
用法
⚠️ 注意：静态动词（如love、know、believe）通常不用于进行形式。它们描述的是状态而不是动作。
了解更多关于静态动词的信息练习题
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