| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't [adv] [vb infin] | 2357 |
|
| 2 | but [vb past] n't [vb infin] | 274 |
|
| 3 | but [vb past] n't [adv] | 21 |
|
| 4 | but [vb past] [adv] [vb infin] | 5 |
|
