| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had be [vb pp] | 31891 |
|
| 2 | [num] be [vb pp] | 5426 |
|
| 3 | [num] had [vb pp] | 1275 |
|
| 4 | [num] had be | 613 |
|
