| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but when [pron] [verb] | 2019 |
|
| 2 | but [conj] it [verb] | 763 |
|
| 3 | [conj] when it [verb] | 681 |
|
| 4 | [coord] when it [verb] | 535 |
|
| 5 | but when it [verb] | 255 |
|
