| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [num] time or | 82 |
|
| 2 | [num] time or [det] | 77 |
|
| 3 | at [num] or [det] | 31 |
|
| 4 | at [num] time [det] | 12 |
|
