| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is at a [adj] | 99 |
|
| 2 | is at a [adj -er] | 17 |
|
| 3 | be at a lower | 11 |
|
| 4 | is at a low | 11 |
|
| 5 | [be] at a lower | 11 |
|
| 6 | is [prep] a lower | 10 |
|
| 7 | is [prep] a lower | 10 |
|
| 8 | is at [art] lower | 9 |
|
| 9 | is at a lower | 5 |
|
| 10 | [is] at a lower | 5 |
|
