| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have n't you noticed | 20 |
|
| 2 | [verb] n't you noticed | 20 |
|
| 3 | [vb base] n't you noticed | 11 |
|
| 4 | have n't you noticed | 11 |
|
| 5 | had n't you noticed | 9 |
|
| 6 | [vb past] n't you noticed | 9 |
|
