| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [verb] [pers pn] | 1099 |
|
| 2 | it when [pron] [verb] [pers pn] | 96 |
|
| 3 | it when [pron] [verb] [verb] | 80 |
|
| 4 | it [pron] [verb] [verb] [pers pn] | 52 |
|
