| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time | 9436 |
|
| 2 | [Wh det] at [adj] | 242 |
|
| 3 | [Wh det] [adj] time | 46 |
|
| 4 | [Wh det] at time | 28 |
|
