| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when it [is] | 301 |
|
| 2 | only [conj] it [is] | 173 |
|
| 3 | only when [pron] [is] | 62 |
|
| 4 | only when it [be] | 41 |
|
