| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have failed [to-vb] the | 12 |
|
| 2 | who [verb] failed [to-vb] the | 12 |
|
| 3 | who have failed [to-vb] the | 6 |
|
| 4 | who [vb base] failed [to-vb] the | 6 |
|
| 5 | who had failed [to-vb] the | 5 |
|
| 6 | who [vb past] failed [to-vb] the | 5 |
|
