现在进行时
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
Quizzes for this lesson will be available soon. We are currently preparing the question set and will publish it as soon as possible.
Downloadable PDF
PDF versions for this lesson will be available soon. We are currently preparing the materials and will make them accessible as soon as possible.
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