| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at a [adj] [noun sg] | 438 |
|
| 2 | [adv] at a [adj] [noun] | 389 |
|
| 3 | [adv] at a [adj] [noun] | 347 |
|
| 4 | [adv] at an [adj] [noun] | 101 |
|
| 5 | [adv] at a [adj] level | 53 |
|
| 6 | [adv] at a [adj] level | 53 |
|
| 7 | [adv] at a [adj -er] [noun] | 53 |
|
| 8 | [adv] at a [adj] stage | 35 |
|
| 9 | [adv] at a [adj] stage | 35 |
|
| 10 | [adv] at a late [noun] | 25 |
|
| 11 | [adv] at a later [noun] | 25 |
|
| 12 | [adv] at a [adj] rate | 24 |
|
| 13 | [adv] at a [adj] rate | 24 |
|
| 14 | only at a [adj] [noun] | 23 |
|
| 15 | [adv] at a early [noun] | 23 |
|
| 16 | still at a [adj] [noun] | 21 |
|
| 17 | [adv] at a early [noun] | 21 |
|
| 18 | [adv] at a [adj] date | 19 |
|
| 19 | [adv] at a [adj] date | 19 |
|
| 20 | [adv] at a low [noun] | 19 |
|
| 21 | even at a [adj] [noun] | 19 |
|
| 22 | again at a [adj] [noun] | 16 |
|
| 23 | [adv] at a [adj] time | 15 |
|
| 24 | [adv] at a [adj] time | 15 |
|
| 25 | [adv] at a [adj] pace | 15 |
|
| 26 | [adv] at a [adj] pace | 15 |
|
| 27 | so at a [adj] [noun] | 13 |
|
| 28 | [adv] at a high [noun] | 12 |
|
| 29 | either at a [adj] [noun] | 12 |
|
| 30 | now at a [adj] [noun] | 12 |
|
