| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] n't [verb] [prep] | 818 |
|
| 2 | i [vb past] [verb] back [prep] | 84 |
|
| 3 | [vb past] n't [verb] back [prep] | 50 |
|
| 4 | i [vb past] n't [verb] back | 31 |
|
