| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] if it | 204 |
|
| 2 | be [vb pp] it [vb -s] | 116 |
|
| 3 | [vb pp] if it [vb -s] | 51 |
|
| 4 | be if it [vb -s] | 20 |
|
