| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] could | 2961 |
|
| 2 | but which [modal v] | 161 |
|
| 3 | but which [vb mod] | 161 |
|
| 4 | [conj] which could | 70 |
|
| 5 | but which could | 22 |
|
