| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] | 8700 |
|
| 2 | at a [adj] | 7092 |
|
| 3 | at a [adj -er] | 1227 |
|
| 4 | at a late | 568 |
|
| 5 | at a later | 541 |
|
| 6 | at a high | 330 |
|
| 7 | at a low | 313 |
|
| 8 | at a particular | 264 |
|
| 9 | at a particular | 264 |
|
| 10 | at a local | 229 |
|
| 11 | at a local | 229 |
|
| 12 | at a [num] | 218 |
|
| 13 | at a lower | 190 |
|
| 14 | at a higher | 185 |
|
| 15 | at a special | 180 |
|
| 16 | at a special | 180 |
|
| 17 | at a certain | 168 |
|
| 18 | at a certain | 168 |
|
| 19 | at a high | 145 |
|
| 20 | at a given | 137 |
|
| 21 | at a given | 137 |
|
| 22 | at a hundred | 132 |
|
| 23 | at a hundred | 132 |
|
| 24 | at a small | 127 |
|
| 25 | at a different | 125 |
|
| 26 | at a different | 125 |
|
| 27 | at a low | 123 |
|
| 28 | at a small | 123 |
|
| 29 | at a recent | 117 |
|
| 30 | at a constant | 117 |
|
