| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if it [vb past] | 192 |
|
| 2 | [verb] [vb pp] it [vb past] | 148 |
|
| 3 | [vb pp] if it [vb past] | 66 |
|
| 4 | [verb] [vb pp] if it | 50 |
|
