| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [adv] [noun] | 2725 |
|
| 2 | [conj] not [noun] | 1531 |
|
| 3 | but not [noun] | 506 |
|
| 4 | but [not/n't] [noun] | 506 |
|
