| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [not/n't] [adv] | 6776 |
|
| 2 | but [vb past] [adv] | 2698 |
|
| 3 | but [not/n't] [adv] | 2565 |
|
| 4 | but [vb past] [not/n't] | 1164 |
|
