| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had failed [to-vb] | 675 |
|
| 2 | [adv] failed [to-vb] | 536 |
|
| 3 | had [adv] [to-vb] | 521 |
|
| 4 | had [adv] failed | 117 |
|
