| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] back [prep] | 506 |
|
| 2 | n't [vb pp] [adv] [prep] | 333 |
|
| 3 | n't [verb] back [prep] | 193 |
|
| 4 | not [vb pp] back [prep] | 49 |
|
| 5 | [not/n't] [vb pp] back [prep] | 49 |
|
| 6 | n't [vb pp] back [prep] | 18 |
|
