| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but when [art] | 574 |
|
| 2 | but when the | 501 |
|
| 3 | but when a | 60 |
|
| 4 | but when no | 6 |
|
| 5 | but when an | 6 |
|
