| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [be] not | 3469 |
|
| 2 | but [be] [adv] | 3294 |
|
| 3 | [coord] [be] not | 2230 |
|
| 4 | but [be] not | 880 |
|
| 5 | but [be] [not/n't] | 880 |
|
| 6 | but [be] not | 606 |
|
