| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [verb] [to-vb] [pron] | 1677 |
|
| 2 | had [vb pp] [to-vb] [pron] | 1609 |
|
| 3 | [verb] failed [to-vb] [pron] | 213 |
|
| 4 | have failed [to-vb] [pron] | 212 |
|
| 5 | [vb past] failed [to-vb] [pron] | 95 |
|
| 6 | had failed [verb] [pron] | 93 |
|
| 7 | had fail [to-vb] [pron] | 93 |
|
