| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] but when [pers pn] | 10 |
|
| 2 | [to-vb] but when [pron] | 10 |
|
| 3 | [to-vb] but when it | 5 |
|
| 4 | [to-vb] but when it | 5 |
|
