| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [adv] [noun] | 2725 |
|
| 2 | but [modal v] [adv] | 2090 |
|
| 3 | [modal v] [adv] [noun] | 813 |
|
| 4 | but [modal v] [noun] | 52 |
|
