| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it had be [vb pp] | 1541 |
|
| 2 | if it be [vb pp] | 1338 |
|
| 3 | if it had be | 412 |
|
| 4 | if it had [vb pp] | 179 |
|
