| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had be [vb pp] | 1541 |
|
| 2 | [num] it be [vb pp] | 585 |
|
| 3 | [num] had be [vb pp] | 394 |
|
| 4 | [num] it had [vb pp] | 101 |
|
| 5 | [num] it had be | 56 |
|
