| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb -s] [conj] | 307 |
|
| 2 | [vb pp] when [pron] [vb -s] | 123 |
|
| 3 | [vb pp] [pron] [vb -s] [conj] | 37 |
|
| 4 | [vb pp] when [pron] [conj] | 9 |
|
