| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it [be] n't | 754 |
|
| 2 | [verb] it [be] n't | 549 |
|
| 3 | [verb] but it [be] | 337 |
|
| 4 | [verb] but [be] n't | 8 |
|
