| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] if it [is] | 853 |
|
| 2 | [vb pp] if it [is] | 130 |
|
| 3 | [adv] [vb pp] it [is] | 63 |
|
| 4 | [adv] [vb pp] if it | 41 |
|
