| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [adj] [noun] | 3617 |
|
| 2 | at [adj] [adj] [noun sg] | 2469 |
|
| 3 | at [adj] [adj] time | 862 |
|
| 4 | [prep] [adj] [adj] time | 748 |
|
| 5 | at [adj] [adj] time | 607 |
|
