| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] it [be] [adv] | 633 |
|
| 2 | [verb] if it [be] [adv] | 180 |
|
| 3 | [vb pp] if [pron] [be] [adv] | 84 |
|
