| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] if it [verb] | 117 |
|
| 2 | [vb pp] [to-vb] it [verb] | 110 |
|
| 3 | [to-vb] if it [verb] | 85 |
|
| 4 | [vb pp] [to-vb] if it | 21 |
|
| 5 | [vb pp] [to-vb] if [verb] | 5 |
|
