| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [vb past] n't [verb] [adv] | 16 |
|
| 2 | but did n't [verb] [adv] | 13 |
|
| 3 | but [vb past] n't [vb infin] [adv] | 13 |
|
