| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj -est] [noun] and | 22 |
|
| 2 | at the [adj -est] [noun sg] [coord] | 20 |
|
| 3 | at the highest [noun] [coord] | 10 |
|
| 4 | at the [adj -est] level [coord] | 9 |
|
| 5 | at the [adj -est] [noun pl] [coord] | 8 |
|
| 6 | at the [adj -est] level [coord] | 7 |
|
