| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] when [pron] [verb] | 1296 |
|
| 2 | [vb pp] [conj] it [verb] | 1293 |
|
| 3 | [vb pp] [subord] it [verb] | 727 |
|
| 4 | [verb] when it [verb] | 375 |
|
| 5 | [vb pp] when it [verb] | 121 |
|
