| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] at a [adj] | 77 |
|
| 2 | [adj] at a [adj] cost | 11 |
|
| 3 | be [adj] at [adj] cost | 7 |
|
| 4 | be at a [adj] cost | 5 |
|
