| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not [vb pp] | 25005 |
|
| 2 | [verb] [vb pp] back | 1338 |
|
| 3 | not [vb pp] back | 134 |
|
| 4 | [verb] not back | 10 |
|
