| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] a [adj] [noun] | 356 |
|
| 2 | at least a [adj] [noun] | 297 |
|
| 3 | at least a [adj] [noun] | 297 |
|
| 4 | at [adv] a [adj] [noun sg] | 246 |
|
| 5 | at [adv] a [adj] [noun] | 226 |
|
| 6 | at [adv] a [adj] [noun pl] | 103 |
|
| 7 | at [adv] a [num] [noun] | 81 |
|
| 8 | at [adv] a [det] [noun] | 38 |
|
| 9 | at [adv] a few [noun] | 36 |
|
| 10 | at [adv] a few [noun] | 36 |
|
| 11 | at [adv] a dozen [noun] | 31 |
|
| 12 | at [adv] a dozen [noun] | 31 |
|
| 13 | at [adv] a hundred [noun] | 25 |
|
| 14 | at [adv] a hundred [noun] | 25 |
|
| 15 | at once a [adj] [noun] | 19 |
|
| 16 | at once a [adj] [noun] | 19 |
|
| 17 | at [adv] a [adj] year | 15 |
|
| 18 | at [adv] a thousand [noun] | 14 |
|
| 19 | at [adv] a partial [noun] | 14 |
|
| 20 | at [adv] a partial [noun] | 14 |
|
| 21 | at [adv] a thousand [noun] | 14 |
|
| 22 | at [adv] a [adj] years | 12 |
|
| 23 | at quite a [adj] [noun] | 12 |
|
| 24 | at quite a [adj] [noun] | 12 |
|
| 25 | at [adv] a [adj] time | 12 |
|
| 26 | at [adv] a [adj] times | 11 |
|
| 27 | at [adv] a [adj] [n mass] | 10 |
|
| 28 | at only a [adj] [noun] | 9 |
|
| 29 | at [adv] a [adj -er] [noun] | 9 |
|
| 30 | at only a [adj] [noun] | 9 |
|
