| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj -est] [noun sg] [coord] | 20 |
|
| 2 | at the [adj -est] [noun sg] and | 15 |
|
| 3 | at the [adj -est] [noun sg] and | 15 |
|
| 4 | at the [adj -est] level [conj] | 11 |
|
| 5 | at the [adj -est] [noun sg] [subord] | 10 |
|
| 6 | at the highest [noun sg] [conj] | 10 |
|
| 7 | at the earliest [noun sg] [conj] | 5 |
|
| 8 | at the [adj -est] opportunity [conj] | 5 |
|
