| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] | 50632 |
|
| 2 | at [adj] [noun sg] | 33106 |
|
| 3 | [prep] [adj] time | 14762 |
|
| 4 | at [adj] time | 9436 |
|
