| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] but [adj -er] [noun] | 15 |
|
| 2 | [adj] but [adv] [adj -er] [noun] | 13 |
|
| 3 | a [adj] but [adv] [adj -er] | 6 |
|
