| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [adv] [prep] | 8550 |
|
| 2 | [conj] not [prep] | 4532 |
|
| 3 | but [not/n't] [prep] | 1876 |
|
| 4 | but not [prep] | 1876 |
|
