| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] not [verb] before | 13 |
|
| 2 | i [vb past] not [vb pp] before | 11 |
|
| 3 | i had not [verb] before | 10 |
|
| 4 | i [vb past] not seen before | 7 |
|
| 5 | i [vb past] not see before | 7 |
|
