| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [adv] when it [verb] | 13 |
|
| 2 | but [adv] when it [verb] | 13 |
|
| 3 | but [adv] when it [vb -s] | 8 |
|
| 4 | but [adv] when it [vb past] | 5 |
|
