| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [det] [noun] | 24438 |
|
| 2 | [prep] [det] time | 13153 |
|
| 3 | [prep] [det] time | 13153 |
|
| 4 | at [adj] time | 9436 |
|
| 5 | at [det] time | 7156 |
|
