| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [ex0] be | 8900 |
|
| 2 | [ex0] be [not/n't] | 4839 |
|
| 3 | but be [not/n't] | 880 |
|
| 4 | but [ex0] [not/n't] | 6 |
|
