| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if it [vb past] | 355 |
|
| 2 | [to-vb] [prep] if it | 33 |
|
| 3 | [to-vb] if it [vb past] | 25 |
|
| 4 | [to-vb] [prep] it [vb past] | 14 |
|
