| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] a [noun sg] | 1059 |
|
| 2 | but [adv] a [noun sg] | 601 |
|
| 3 | but [vb past] a [noun sg] | 142 |
|
| 4 | but [vb past] [adv] a | 19 |
|
