| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [is] [prep] | 3732 |
|
| 2 | when [pron] [is] [prep] | 249 |
|
| 3 | when it [be] [prep] | 151 |
|
| 4 | when it [is] [prep] | 88 |
|
