| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if it [is] | 660 |
|
| 2 | [be] [verb] it [is] | 446 |
|
| 3 | [be] [verb] if it | 227 |
|
| 4 | [be] if it [is] | 34 |
|
