Negation of Completed Actions: Learn how to deny completed actions using 没/没有 and understand when NOT to use 了 for past events
1 Negating Completed Actions: 没/没有
The negative of action completion – To deny that an action has been completed or to state that an event has not occurred, 没 (or 没有) is prefixed to the Action Verb. Questions can be formed by adding 吗 to the end of the sentence. Note that 了 is therefore not used in this type of sentence.
Examples: Negating Completed Actions
Negation vs Affirmation Visualization
Key Rule: When negating completed actions, use 没/没有 and DO NOT use 了.
Important Grammar Rules
No 了 with 没/没有
了 is NEVER used with 没/没有 for negating completed actions:
了 and 没/没有 are mutually exclusive.
没 vs 没有
没 and 没有 are interchangeable in most cases:
没 is more common in spoken Chinese.
Affirmative vs Negative
Comparison between affirmative completed actions and their negation:
Forming Questions with 没
Two ways to form negative questions:
Note: 吗 is optional but common in negative questions.
2 还 + 没: “Not Yet”
In order to indicate that the action has not yet happened (but probably will happen before too long), 还 is inserted before 没. This structure emphasizes that something is expected to happen but hasn’t occurred up to the present moment.
Examples: 还 + 没 Pattern
| Structure | Chinese | English Translation | Audio |
|---|---|---|---|
| S + 还 + 没 + V-O |
我还没吃饭。
|
I haven’t eaten yet. | |
| S + 还 + 没 + V-O |
演唱会还没结束。
|
The concert has not ended yet. | |
| S + 还 + 没 + V-O |
他还没结婚。
|
He hasn’t got married yet. |
Time Perspective: Expected in past → Still not happened now → Expected in near future
Key Difference: 没 vs 还没
| Aspect | 没 (méi) | 还没 (hái méi) | Key Difference |
|---|---|---|---|
| Meaning | Did not / Have not | Have not yet / Still have not | 还 adds “yet” meaning. |
| Time Expectation | Simple negation | Implies expectation | 还没 suggests it should have happened. |
| Future Implication | No implication | Will happen soon | 还没 implies it will happen. |
| Examples | 我没吃。 I didn’t eat. |
我还没吃。 I haven’t eaten yet. |
First implies simple fact, second implies expectation to eat. |
Common Contexts for 还没
Typical situations where 还没 is used:
Key: 还没 implies something is overdue or expected to happen.
Time Words with 还没
Time expressions often used with 还没:
Note: These emphasize the “not yet” aspect.
3 When NOT to Use 了
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Practice Exercises
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