| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [art] | 7172 |
|
| 2 | [vb pp] when [pron] [verb] | 1296 |
|
| 3 | [vb pp] [pron] [verb] [art] | 1278 |
|
| 4 | [vb pp] when [verb] [art] | 142 |
|
