| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun pl] | 7109 |
|
| 2 | at [adj] [noun sg] | 6466 |
|
| 3 | at [adj] time | 1176 |
|
| 4 | at [adj] level | 1171 |
|
| 5 | at [adj] times | 1105 |
|
| 6 | at different [noun] | 923 |
|
| 7 | at [adj] [noun prp] | 843 |
|
| 8 | at [adj] level | 757 |
|
| 9 | at other [noun] | 684 |
|
| 10 | at high [noun] | 630 |
|
| 11 | at various [noun] | 534 |
|
| 12 | at [adj] interval | 504 |
|
| 13 | at [adj] intervals | 503 |
|
| 14 | at [adj] speed | 486 |
|
| 15 | at low [noun] | 465 |
|
| 16 | at [adj] levels | 414 |
|
| 17 | at [adj] speed | 359 |
|
| 18 | at full [noun] | 340 |
|
| 19 | at [adj] price | 331 |
|
| 20 | at old [noun] | 312 |
|
| 21 | at [adj] prices | 305 |
|
| 22 | at [adj] angle | 304 |
|
| 23 | at local [noun] | 303 |
|
| 24 | at [adj] angles | 302 |
|
| 25 | at [adj] stage | 292 |
|
| 26 | at [adj] point | 283 |
|
| 27 | at right [noun] | 269 |
|
| 28 | at [adj] points | 265 |
|
| 29 | at certain [noun] | 256 |
|
| 30 | at great [noun] | 255 |
|
