| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] at [art] [noun] | 403 |
|
| 2 | [prep] [adj] at [art] time | 83 |
|
| 3 | [prep] [num] [prep] [art] time | 52 |
|
| 4 | [prep] [num] at [art] time | 36 |
|
