| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [conj] it is | 174 |
|
| 2 | [prep] [pron] when it [be] | 39 |
|
| 3 | [prep] [pron] when it be | 39 |
|
| 4 | [prep] [pron] when [pron] is | 25 |
|
| 5 | [prep] [pron] when it [is] | 21 |
|
| 6 | [prep] [pron] when it is | 10 |
|
