| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i had [not/n't] [vb pp] at | 11 |
|
| 2 | i [vb past] [not/n't] [vb pp] at | 11 |
|
| 3 | i [vb past] n't [vb pp] at | 10 |
|
