| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be n't [prep] [det] | 252 |
|
| 2 | but [pron] be n't [prep] | 124 |
|
| 3 | but [pron] be n't [det] | 97 |
|
| 4 | but [pron] be [prep] [det] | 77 |
|
