| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] [adj] | 18310 |
|
| 2 | but [prep] a [adj] | 1349 |
|
| 3 | but [prep] [adv] [adj] | 445 |
|
| 4 | but a [adv] [adj] | 264 |
|
| 5 | but [prep] a [adv] | 228 |
|
