| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [not/n't] i | 702 |
|
| 2 | [vb past] n't i | 700 |
|
| 3 | did [not/n't] i | 641 |
|
| 4 | had [not/n't] i | 62 |
|
