| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not be found | 53 |
|
| 2 | [verb] not been found | 53 |
|
| 3 | [verb] not be found | 46 |
|
| 4 | [vb -s] not be found | 22 |
|
| 5 | has not be found | 21 |
|
| 6 | have not be found | 20 |
|
| 7 | [vb base] not be found | 20 |
|
| 8 | had not be found | 11 |
|
| 9 | [vb past] not be found | 11 |
|
| 10 | [verb] n't be found | 7 |
|
