| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun pl] | 7109 |
|
| 2 | at [det] [noun pl] | 3550 |
|
| 3 | at [num] [noun pl] | 3120 |
|
| 4 | at [adj] times | 2029 |
|
| 5 | at all [noun pl] | 1937 |
|
| 6 | at all [noun pl] | 1937 |
|
| 7 | at [adj] levels | 1204 |
|
| 8 | at different [noun pl] | 888 |
|
| 9 | at different [noun pl] | 888 |
|
| 10 | at two [noun pl] | 644 |
|
| 11 | at two [noun pl] | 644 |
|
| 12 | at other [noun pl] | 622 |
|
| 13 | at other [noun pl] | 622 |
|
| 14 | at [adj] intervals | 514 |
|
| 15 | at various [noun pl] | 505 |
|
| 16 | at various [noun pl] | 505 |
|
| 17 | at [adj -er] [noun pl] | 487 |
|
| 18 | at [adj] marks | 428 |
|
| 19 | at these [noun pl] | 413 |
|
| 20 | at these [noun pl] | 413 |
|
| 21 | at [adj] points | 404 |
|
| 22 | at [adj] prices | 385 |
|
| 23 | at [adj] stages | 372 |
|
| 24 | at low [noun pl] | 348 |
|
| 25 | at high [noun pl] | 345 |
|
| 26 | at [adj] angles | 310 |
|
| 27 | at certain [noun pl] | 249 |
|
| 28 | at certain [noun pl] | 249 |
|
| 29 | at [adj] costs | 243 |
|
| 30 | at regular [noun pl] | 242 |
|
