| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] it [be] [vb pp] | 1027 |
|
| 2 | [adv] if [pron] [be] [vb pp] | 433 |
|
| 3 | [adv] if it [be] [verb] | 237 |
|
