| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] [to-vb] in the | 61 |
|
| 2 | had [verb] to participate in the | 7 |
|
| 3 | had begin [to-vb] in the | 5 |
|
| 4 | had begun [to-vb] in the | 5 |
|
| 5 | had come [to-vb] in the | 5 |
|
| 6 | had come [to-vb] in the | 5 |
|
