| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] [vb mod] | 20783 |
|
| 2 | but [pron] [modal v] | 20783 |
|
| 3 | [conj] [pron] must | 6231 |
|
| 4 | but [pron] must | 1624 |
|
