| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did n't you let me know | 5 |
|
| 2 | [verb] n't you let me know | 5 |
|
| 3 | [vb past] n't you let me know | 5 |
|
| 4 | do n't you let me know | 5 |
|
